661 Area Code: Location, Cities, Map And Time Zone

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Area Code 661

Area code 661 is in California, USA , spanning 4 counties and serving 45 cities , including Bakersfield, Santa Clarita or Lancaster; it currently uses 665 prefixes , assigned from 661-200-XXXX through 661-999-XXXX.

In service date for area code 661: February 13, 1999.

The current local time is .

661 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 661 area code map

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More California area codes:

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Locate any 661-NXX prefix:

661-200-XXXX --- 661-299-XXXX
NPANXX Area served[1] Provider[2] Date[3]
661-200 Santa Clarita [Newhall-Castaic] Multiple 11/28/2007
661-201 Bakersfield Multiple N/A
661-202 Palmdale Multiple N/A
661-203 Bakersfield Cellco Partnership N/A
661-204 Bakersfield New Cingular Wireless PCS N/A
661-205 Bakersfield New Cingular Wireless PCS N/A
661-206 Lancaster Multiple N/A
661-207 Santa Clarita [Newhall-Castaic] Multiple N/A
661-208 Palmdale Multiple 1/17/2007
661-209 Palmdale [Agua Dulce] Multiple 2/11/2002
661-210 Santa Clarita [Newhall-Castaic] Multiple N/A
661-212 Santa Clarita [Saugus-Canyon Country] MetroPCS Networks 2/11/2002
661-213 Bakersfield North Multiple 2/11/2002
661-214 Lost Hills Multiple N/A
661-215 Bakersfield North Multiple N/A
661-216 Lancaster American Messaging Services N/A
661-217 Buttonwillow American Messaging Services N/A
661-218 Bakersfield North Multiple 7/19/2017
661-219 Santa Clarita [Newhall-Castaic] Multiple N/A
661-220 Arvin Multiple 1/16/2002
661-221 Mojave Multiple 1/16/2002
661-222 Santa Clarita [Newhall-Castaic] Multiple N/A
661-223 Palmdale Pacific Bell N/A
661-224 Palmdale Pacific Bell N/A
661-225 Palmdale Multiple N/A
661-226 Arvin American Messaging Services N/A
661-227 Palmdale Multiple 10/10/2016
661-228 Hi Vista Multiple N/A
661-229 Delano Multiple N/A
661-230 Edwards Multiple N/A
661-231 Lebec Multiple N/A
661-232 Mojave Multiple N/A
661-233 Palmdale Multiple N/A
661-234 Palmdale Multiple N/A
661-235 Rosamond Multiple N/A
661-236 Palmdale Multiple N/A
661-237 Shafter Multiple N/A
661-238 Tehachapi Multiple N/A
661-239 Walkerbsin Multiple N/A
661-240 Wasco Multiple N/A
661-241 Bakersfield South Multiple N/A
661-242 Lebec Multiple N/A
661-243 Bakersfield North Multiple N/A
661-244 Santa Clarita [Newhall-Castaic] Multiple N/A
661-245 Lebec Multiple N/A
661-246 Bakersfield Multiple N/A
661-247 Arvin Multiple N/A
661-248 Lebec Multiple N/A
661-249 Big Butte Multiple N/A
661-250 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-251 Santa Clarita [Saugus-Canyon Country] Pacific Bell N/A
661-252 Santa Clarita [Saugus-Canyon Country] Pacific Bell N/A
661-253 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-254 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-255 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-256 Rosamond Pacific Bell N/A
661-257 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-258 Edwards Multiple N/A
661-259 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-260 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-261 Big Butte Multiple N/A
661-262 Lake Hughes Multiple N/A
661-263 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-264 Palmdale Multiple N/A
661-265 Palmdale Multiple N/A
661-266 Palmdale Pacific Bell N/A
661-267 Palmdale Pacific Bell N/A
661-268 Palmdale [Agua Dulce] Multiple N/A
661-269 Palmdale Multiple N/A
661-270 Palmdale [Leon Valley] Multiple N/A
661-271 Mojave Multiple N/A
661-272 Palmdale Pacific Bell N/A
661-273 Palmdale Pacific Bell N/A
661-274 Palmdale Pacific Bell N/A
661-275 Edwards Pacific Bell N/A
661-276 Edwards Multiple N/A
661-277 Edwards Pacific Bell N/A
661-278 Edwards Multiple N/A
661-279 Rosamond Multiple N/A
661-280 Palmdale [Leon Valley] Utility Telecom Group N/A
661-281 Bakersfield Multiple N/A
661-282 Bakersfield South Multiple N/A
661-283 Bakersfield Multiple N/A
661-284 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-285 Palmdale Pacific Bell N/A
661-286 Santa Clarita [Newhall-Castaic] Multiple N/A
661-287 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-288 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-289 Lebec Multiple N/A
661-290 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-291 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-292 Shafter Multiple 1/16/2002
661-293 Taft Multiple 1/16/2002
661-294 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-295 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-296 Santa Clarita [Saugus-Canyon Country] Pacific Bell N/A
661-297 Santa Clarita [Saugus-Canyon Country] Pacific Bell N/A
661-298 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-299 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-300-XXXX --- 661-399-XXXX
NPANXX Area served[1] Provider[2] Date[3]
661-300 Tehachapi Multiple 1/16/2002
661-301 Bakersfield New Cingular Wireless PCS N/A
661-302 Bakersfield Multiple 6/3/2005
661-303 Bakersfield New Cingular Wireless PCS N/A
661-304 Bakersfield New Cingular Wireless PCS N/A
661-305 Palmdale Cellco Partnership N/A
661-306 Lake Hughes Multiple N/A
661-307 Bakersfield American Messaging Services N/A
661-308 Bakersfield Multiple 2/13/2020
661-309 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-310 Santa Clarita [Newhall-Castaic] Multiple N/A
661-312 Santa Clarita [Newhall-Castaic] Multiple N/A
661-313 Santa Clarita [Saugus-Canyon Country] MetroPCS Networks N/A
661-314 Bakersfield Multiple 11/14/2016
661-315 Palmdale New Cingular Wireless PCS 2/18/2020
661-316 Bakersfield Multiple N/A
661-317 Palmdale T-Mobile USA 12/14/2001
661-318 Bakersfield 33 Wireless N/A
661-319 Bakersfield New Cingular Wireless PCS N/A
661-320 Lebec Multiple N/A
661-321 Bakersfield Multiple N/A
661-322 Bakersfield Pacific Bell N/A
661-323 Bakersfield Pacific Bell N/A
661-324 Bakersfield Pacific Bell N/A
661-325 Bakersfield Pacific Bell N/A
661-326 Bakersfield Pacific Bell N/A
661-327 Bakersfield Pacific Bell N/A
661-328 Bakersfield Pacific Bell N/A
661-329 Bakersfield USA Mobility Wireless N/A
661-330 Bakersfield New Cingular Wireless PCS N/A
661-331 Bakersfield New Cingular Wireless PCS N/A
661-332 Bakersfield New Cingular Wireless PCS N/A
661-333 Bakersfield New Cingular Wireless PCS N/A
661-334 Bakersfield Multiple N/A
661-335 Bakersfield Multiple N/A
661-336 Bakersfield Multiple N/A
661-337 Bakersfield Multiple N/A
661-338 Lake Hughes Multiple N/A
661-339 Hi Vista Multiple N/A
661-340 Bakersfield Multiple 2/15/2002
661-341 Lancaster Multiple N/A
661-342 Bakersfield Cellco Partnership N/A
661-343 Bakersfield Multiple 5/21/2001
661-344 Earlimart Multiple N/A
661-345 Bakersfield New Cingular Wireless PCS N/A
661-346 Bakersfield MetroPCS 4/12/2007
661-347 Santa Clarita [Saugus-Canyon Country] Multiple 2/20/2002
661-348 Bakersfield Multiple 5/7/2007
661-349 Palmdale Multiple 2/20/2002
661-350 Palmdale Multiple 1/9/2003
661-351 Lake Hughes Utility Telecom Group N/A
661-352 Edwards Utility Telecom Group N/A
661-353 Lancaster Utility Telecom Group N/A
661-354 Bakersfield Utility Telecom Group N/A
661-355 Rosamond Utility Telecom Group N/A
661-356 Mojave Utility Telecom Group N/A
661-357 Tehachapi Utility Telecom Group N/A
661-358 Taft Utility Telecom Group N/A
661-359 Delano Utility Telecom Group N/A
661-360 Santa Clarita [Saugus-Canyon Country] Multiple 1/13/2003
661-361 Palmdale Multiple N/A
661-362 Santa Clarita [Newhall-Castaic] Multiple N/A
661-363 Bakersfield Multiple N/A
661-364 Bakersfield Multiple N/A
661-365 Palmdale Multiple 5/24/2016
661-366 Bakersfield Pacific Bell N/A
661-367 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-368 Bakersfield North Multiple 6/11/2007
661-369 Bakersfield Multiple 9/15/2007
661-370 Delano Multiple N/A
661-371 Bakersfield Multiple N/A
661-372 Delano Multiple 4/7/2014
661-373 Santa Clarita [Newhall-Castaic] T-Mobile USA 12/14/2001
661-374 Bakersfield Multiple 12/21/2007
661-375 Delano Multiple N/A
661-376 Bakersfield Multiple 4/2/2008
661-377 Bakersfield Multiple 10/11/2002
661-378 Bakersfield Multiple N/A
661-379 Bakersfield Multiple 4/28/2009
661-380 Bakersfield Multiple 4/28/2009
661-381 Bakersfield South Multiple 5/21/2009
661-382 Palmdale Multiple 9/23/2001
661-383 Santa Clarita [Newhall-Castaic] Multiple 2/17/2015
661-384 Bakersfield Multiple N/A
661-385 Edwards Multiple 3/12/2010
661-386 Rosamond Multiple 9/26/2016
661-387 Bakersfield North Multiple N/A
661-388 Santa Clarita [Newhall-Castaic] Multiple 8/16/2010
661-389 Palmdale New Cingular Wireless PCS 02/20/2024
661-390 Arvin Multiple 12/14/2006
661-391 Bakersfield North Pacific Bell N/A
661-392 Bakersfield North Pacific Bell N/A
661-393 Bakersfield North Pacific Bell N/A
661-394 Bakersfield Multiple N/A
661-395 Bakersfield Pacific Bell N/A
661-396 Bakersfield South Multiple N/A
661-397 Bakersfield South Pacific Bell N/A
661-398 Bakersfield South Pacific Bell N/A
661-399 Bakersfield North Pacific Bell N/A
661-400-XXXX --- 661-499-XXXX
NPANXX Area served[1] Provider[2] Date[3]
661-400 Palmdale New Cingular Wireless PCS N/A
661-401 Bakersfield Multiple 8/11/2010
661-402 Palmdale [Agua Dulce] Multiple 2/4/2011
661-403 Palmdale Multiple 1/16/2017
661-404 Bakersfield Multiple 12/15/2016
661-405 Lancaster Multiple 8/1/2017
661-406 Palmdale New Cingular Wireless PCS N/A
661-407 Bakersfield Multiple N/A
661-409 Palmdale Multiple 6/30/2017
661-410 Bakersfield North Multiple 3/1/2001
661-412 Bakersfield South Multiple 4/2/2008
661-413 Cuyama Multiple N/A
661-414 Santa Clarita [Newhall-Castaic] Multiple N/A
661-416 Arvin Multiple 8/29/2016
661-417 Santa Clarita [Newhall-Castaic] Multiple 6/30/2017
661-418 Lancaster Multiple 2/24/2012
661-419 Hi Vista Shelcomm 7/31/2018
661-420 Cuyama Multiple N/A
661-421 Bakersfield Multiple 3/9/2015
661-422 Palmdale [Leon Valley] Multiple N/A
661-423 Lancaster Frontier California N/A
661-424 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-425 Santa Clarita [Newhall-Castaic] Multiple 3/21/2014
661-426 Bakersfield Multiple 1/14/2013
661-427 Bakersfield Multiple N/A
661-428 Bakersfield Cellco Partnership 2/9/2001
661-429 Lancaster Multiple 9/24/2012
661-430 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-431 Bakersfield Multiple 5/16/2005
661-432 Bakersfield Multiple 8/30/2012
661-433 Palmdale Cellco Partnership N/A
661-434 Palmdale Multiple 11/11/2011
661-435 Palmdale New Cingular Wireless PCS N/A
661-436 Arvin Multiple 12/14/2009
661-437 Bakersfield Multiple 8/28/2012
661-438 Wasco Multiple N/A
661-439 Bakersfield Multiple 8/16/2018
661-440 Bakersfield Multiple 4/18/2014
661-441 Palmdale Multiple 2/1/2013
661-442 Santa Clarita [Newhall-Castaic] Shelcomm 8/12/2004
661-443 Walkerbsin Multiple N/A
661-444 Bakersfield Multiple N/A
661-445 Lancaster T-Mobile USA 10/14/2014
661-446 Delano Multiple 8/7/2012
661-447 Bakersfield Multiple 12/9/2013
661-448 Bakersfield Multiple 11/6/2012
661-449 Palmdale Multiple N/A
661-450 Palmdale [Agua Dulce] Multiple N/A
661-451 Arvin Multiple N/A
661-452 Berrenda Mesa Multiple N/A
661-453 California Hot Springs Multiple N/A
661-454 Delano Multiple N/A
661-455 Glennville Multiple N/A
661-456 Palmdale Multiple N/A
661-457 Lost Hills Multiple N/A
661-458 Mcfarland Multiple N/A
661-459 Shafter Multiple N/A
661-460 Walkerbsin Multiple N/A
661-461 Lebec Multiple N/A
661-462 Big Butte Multiple N/A
661-463 Hi Vista Multiple N/A
661-464 Lake Hughes Multiple N/A
661-465 Berrenda Mesa Multiple N/A
661-466 Lancaster Multiple N/A
661-467 Santa Clarita [Saugus-Canyon Country] Onvoy N/A
661-468 Palmdale [Agua Dulce] Multiple 3/12/2001
661-469 Buttonwillow Multiple N/A
661-470 Lancaster Multiple 6/9/2014
661-471 Lancaster Multiple 2/1/2013
661-472 Bakersfield T-Mobile USA 12/14/2001
661-473 Bakersfield South Multiple 1/29/2013
661-474 Delano Multiple 3/5/2010
661-475 Edwards Onvoy N/A
661-476 Santa Clarita [Newhall-Castaic] Multiple 6/16/2006
661-477 Bakersfield Cellco Partnership 11/13/2001
661-478 Palmdale Cellco Partnership N/A
661-479 Bakersfield Multiple 11/18/2016
661-480 Palmdale Multiple 8/25/2006
661-481 Santa Clarita [Newhall-Castaic] Multiple 3/9/2013
661-482 Edwards Time Warner Cbl Info Svcs 3/12/2013
661-483 Lancaster Multiple 6/24/2014
661-484 Bakersfield South Multiple 10/30/2019
661-485 Palmdale Multiple 1/8/2014
661-486 Palmdale [Agua Dulce] Multiple 3/21/2014
661-487 Bakersfield Multiple 3/1/2005
661-488 Lancaster Multiple 12/22/2014
661-489 Bakersfield Multiple 4/22/2014
661-490 Bakersfield Multiple 4/13/2015
661-491 Bakersfield South Multiple N/A
661-492 Lancaster Multiple 10/10/2001
661-493 Bakersfield Multiple 4/25/2014
661-494 Lancaster Multiple 10/8/2014
661-495 Santa Clarita [Newhall-Castaic] Multiple N/A
661-496 Bakersfield New Cingular Wireless PCS N/A
661-497 Bakersfield Multiple 12/24/2014
661-498 Bakersfield North Multiple 11/26/2018
661-499 Lancaster Multiple 5/19/2020
661-500-XXXX --- 661-599-XXXX
NPANXX Area served[1] Provider[2] Date[3]
661-500 Taft Multiple 09/21/2023
661-501 Bakersfield South Multiple 7/17/2018
661-502 Santa Clarita [Newhall-Castaic] Multiple 5/27/2020
661-503 Palmdale Multiple 7/28/2020
661-504 Palmdale Multiple 8/4/2020
661-505 Santa Clarita [Newhall-Castaic] Multiple 5/1/2001
661-506 Palmdale Multiple 9/8/2020
661-507 Palmdale New Cingular Wireless PCS N/A
661-508 Palmdale New Cingular Wireless PCS 4/29/2021
661-509 Bakersfield South Multiple 10/5/2020
661-510 Santa Clarita [Newhall-Castaic] Multiple N/A
661-512 Palmdale [Agua Dulce] Multiple 9/23/2020
661-513 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-514 Mcfarland Multiple 9/17/2020
661-515 Hi Vista Multiple 9/25/2018
661-516 Bakersfield Multiple 9/30/2020
661-517 Delano Multiple N/A
661-518 Tehachapi Multiple 2/2/2021
661-519 Arvin Multiple 6/30/2021
661-520 Bakersfield Multiple 5/7/2014
661-521 Palmdale Multiple 7/29/2021
661-522 Lancaster Multiple 2/9/2015
661-523 Santa Clarita [Saugus-Canyon Country] Multiple 10/8/2014
661-524 Lancaster Multiple 5/27/2008
661-525 Bakersfield North Multiple 11/25/2014
661-526 Palmdale Multiple 10/24/2006
661-527 Bakersfield South Multiple 4/14/2015
661-528 Rosamond Multiple N/A
661-529 Bakersfield South Multiple N/A
661-531 Arvin Multiple 10/28/2021
661-532 Big Butte Multiple N/A
661-533 Palmdale Multiple N/A
661-534 Delano Multiple 3/4/2015
661-535 Bakersfield North Multiple 7/16/2015
661-536 Glennville Multiple N/A
661-537 Palmdale Multiple N/A
661-538 Palmdale Pacific Bell N/A
661-539 Mcfarland Multiple 11/12/2021
661-540 Palmdale Multiple N/A
661-541 Bakersfield Multiple 10/3/2019
661-542 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-543 Mcfarland Multiple 8/4/2015
661-544 Palmdale Multiple 1/14/2010
661-545 Delano Multiple 10/16/2020
661-546 Bakersfield Multiple 2/16/2015
661-547 Lancaster Multiple N/A
661-548 California Hot Springs Multiple N/A
661-549 Bakersfield New Cingular Wireless PCS 7/12/2001
661-550 Big Butte Multiple 9/22/2021
661-551 Berrenda Mesa Multiple N/A
661-552 Earlimart Multiple 2/7/2001
661-553 Delano Multiple 4/28/2015
661-554 Santa Clarita [Newhall-Castaic] Onvoy N/A
661-556 Bakersfield South Multiple 3/21/2014
661-557 Arvin Multiple N/A
661-558 Bakersfield Multiple N/A
661-560 Wasco Multiple N/A
661-561 Delano Multiple 3/27/2020
661-563 Bakersfield Multiple 7/28/2015
661-564 Bakersfield South Multiple 4/21/2015
661-565 Bakersfield Multiple N/A
661-566 Palmdale Multiple 3/19/2019
661-567 Bakersfield Multiple 4/27/2015
661-568 Santa Clarita [Newhall-Castaic] Multiple N/A
661-569 Bakersfield Multiple 12/10/2021
661-570 Bakersfield South Multiple 3/9/2022
661-571 Lancaster Multiple 4/12/2022
661-572 Palmdale Pacific Bell N/A
661-573 Bakersfield Multiple 7/16/2015
661-574 Palmdale Multiple N/A
661-575 Palmdale Multiple N/A
661-576 Palmdale Multiple 8/3/2015
661-577 Taft Multiple N/A
661-578 Bakersfield Multiple 1/24/2006
661-579 Lancaster Multiple 5/28/2008
661-580 Palmdale Multiple 9/2/2021
661-581 Palmdale Multiple 11/12/2021
661-582 Lancaster Multiple 10/21/2015
661-583 Palmdale Multiple 11/13/2015
661-584 Mojave Multiple N/A
661-585 Palmdale Multiple 12/4/2015
661-586 Delano New Cingular Wireless PCS N/A
661-587 Bakersfield North Pacific Bell N/A
661-588 Bakersfield North Pacific Bell N/A
661-589 Bakersfield North Pacific Bell N/A
661-590 Wasco Multiple 6/29/2022
661-591 Glennville Multiple N/A
661-592 Santa Clarita [Saugus-Canyon Country] Multiple 6/9/2015
661-593 Santa Clarita [Newhall-Castaic] Multiple 7/15/2016
661-594 Shafter Multiple 9/2/2022
661-595 Bakersfield Multiple 5/26/2022
661-596 Bakersfield Multiple 10/10/2022
661-597 Mojave Multiple 10/10/2022
661-598 Palmdale Multiple 10/21/2022
661-599 Bakersfield South Cellco Partnership N/A
661-600-XXXX --- 661-699-XXXX
NPANXX Area served[1] Provider[2] Date[3]
661-600 Santa Clarita [Newhall-Castaic] Multiple N/A
661-601 Bakersfield North Multiple 2/24/2022
661-602 Bakersfield South Multiple 10/11/2022
661-603 Palmdale Multiple 02/10/2023
661-604 Lancaster Multiple 02/17/2023
661-605 Bkfd Main Multiple 04/12/2023
661-606 Arvin Multiple N/A
661-607 Santa Clarita [Newhall-Castaic] Multiple N/A
661-608 Hi Vista Onvoy Spectrum 04/12/2023
661-609 Lancaster New Cingular Wireless PCS N/A
661-610 Bakersfield Multiple 7/20/2022
661-612 Bakersfield Multiple 05/16/2023
661-613 Edwards Exiant Communications N/A
661-614 Tehachapi Multiple 08/28/2023
661-615 Bakersfield North Multiple N/A
661-616 Bakersfield Multiple N/A
661-617 Bakersfield South Multiple N/A
661-618 Palmdale Cellco Partnership N/A
661-619 Bakersfield Cellco Partnership N/A
661-620 Santa Clarita [Saugus-Canyon Country] North County Communication Corporation N/A
661-621 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-622 Palmdale [Leon Valley] Multiple N/A
661-623 Taft New Cingular Wireless PCS N/A
661-624 Bakersfield South Multiple 11/25/2020
661-625 Santa Clarita [Newhall-Castaic] Multiple 12/8/2021
661-627 Santa Clarita [Newhall-Castaic] Multiple 2/16/2021
661-629 Bakersfield North Multiple 12/29/2023
661-630 Shafter Multiple N/A
661-631 Bakersfield Pacific Bell N/A
661-632 Bakersfield Multiple N/A
661-633 Bakersfield Multiple N/A
661-634 Bakersfield Multiple N/A
661-635 Bakersfield Pacific Bell N/A
661-636 Bakersfield Multiple N/A
661-637 Bakersfield Multiple N/A
661-638 Bakersfield Multiple N/A
661-639 Lake Hughes Multiple 2/18/2022
661-640 Bakersfield North Multiple 07/01/2024
661-641 Edwards Multiple N/A
661-642 Delano Multiple 12/15/2023
661-643 Lancaster Multiple 07/03/2024
661-644 Santa Clarita [Newhall-Castaic] Multiple N/A
661-645 Santa Clarita [Newhall-Castaic] New Cingular Wireless PCS N/A
661-646 Lancaster Multiple 07/05/2024
661-647 Bakersfield South Multiple 07/05/2024
661-648 Palmdale Cellco Partnership 07/23/2024
661-649 Arvin Multiple 7/13/2022
661-651 Santa Clarita [Newhall-Castaic] Multiple 11/23/2022
661-652 Santa Clarita [Newhall-Castaic] Multiple 09/12/2024
661-653 Delano Multiple 4/25/2022
661-654 Bakersfield South Multiple N/A
661-655 Arvin Multiple 7/23/2020
661-656 Palmdale Multiple 09/20/2024
661-658 Bakersfield Multiple 09/23/2024
661-659 Bakersfield Multiple 03/04/2025
661-660 Santa Clarita [Saugus-Canyon Country] Multiple 2/3/2021
661-662 Bakersfield Multiple 3/24/2017
661-663 Bakersfield South Pacific Bell N/A
661-664 Bakersfield South Pacific Bell N/A
661-665 Bakersfield South Multiple N/A
661-666 Santa Clarita [Newhall-Castaic] Multiple N/A
661-667 Mcfarland Multiple N/A
661-668 Earlimart Multiple N/A
661-669 Big Butte Multiple 7/2/2019
661-670 Santa Clarita [Newhall-Castaic] Multiple N/A
661-671 Bakersfield South Multiple 03/11/2025
661-672 Arvin T-Mobile USA 03/21/2025
661-673 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-674 Lancaster Multiple N/A
661-675 Palmdale Multiple N/A
661-676 Lancaster Multiple 03/21/2025
661-677 Bakersfield North Multiple 12/30/2019
661-678 Santa Clarita [Newhall-Castaic] Multiple N/A
661-679 Bakersfield North Multiple 8/21/2002
661-680 Bakersfield North Onvoy Spectrum 04/14/2025
661-681 Bakersfield North Nuso 04/21/2025
661-682 Bakersfield Multiple 07/30/2025
661-683 Lancaster Multiple 09/03/2025
661-684 Bakersfield South Multiple 09/12/2025
661-685 Arvin T-Mobile USA N/A
661-687 Bakersfield South Multiple 5/26/2022
661-688 Bakersfield Multiple 12/23/2019
661-689 California Hot Springs Multiple N/A
661-690 Delano Multiple 4/12/2019
661-691 Bakersfield Wide Voice 10/30/2025
661-694 Bakersfield North Multiple 02/24/2023
661-695 Bakersfield North Multiple 10/15/2002
661-699 Bakersfield South Multiple 9/23/2002
661-701-XXXX --- 661-799-XXXX
NPANXX Area served[1] Provider[2] Date[3]
661-701 Palmdale New Cingular Wireless PCS 03/10/2023
661-702 Santa Clarita [Newhall-Castaic] Multiple N/A
661-703 Bakersfield New Cingular Wireless PCS N/A
661-704 Mckittrick Multiple N/A
661-705 Santa Clarita [Newhall-Castaic] Multiple 8/9/2002
661-706 Bakersfield New Cingular Wireless PCS N/A
661-709 Delano Multiple 10/10/2001
661-713 Santa Clarita [Newhall-Castaic] Cellco Partnership N/A
661-714 Santa Clarita [Newhall-Castaic] Cellco Partnership N/A
661-716 Bakersfield U.S. Telepacific Corp. 3/1/2001
661-717 Bakersfield Multiple 9/28/2001
661-718 Lancaster Multiple N/A
661-719 Palmdale New Cingular Wireless PCS 05/03/2023
661-720 Delano Multiple N/A
661-721 Delano Pacific Bell N/A
661-722 Lancaster Frontier California N/A
661-723 Lancaster Frontier California N/A
661-724 Lake Hughes Multiple N/A
661-725 Delano Pacific Bell N/A
661-726 Lancaster Frontier California N/A
661-727 Hi Vista Multiple N/A
661-728 Lancaster Multiple N/A
661-729 Lancaster Frontier California N/A
661-730 Palmdale Onvoy Spectrum 04/12/2023
661-731 Earlimart Multiple N/A
661-732 Delano Multiple 7/23/2020
661-733 Palmdale Cellco Partnership N/A
661-735 Bakersfield South Multiple 3/12/2002
661-736 Arvin T-Mobile USA 09/17/2024
661-741 Bakersfield Multiple 3/14/2018
661-742 Bakersfield Multiple 4/6/2005
661-743 Lancaster Multiple 06/22/2023
661-744 Palmdale Multiple 9/21/2020
661-745 Taft Multiple N/A
661-746 Shafter Pacific Bell N/A
661-747 Bakersfield Cellco Partnership N/A
661-748 Bakersfield Multiple 5/29/2008
661-749 Mojave Multiple N/A
661-750 Tehachapi Multiple 11/13/2001
661-751 Bkfd South Multiple 06/27/2023
661-752 Rosamond Multiple N/A
661-753 Santa Clarita [Newhall-Castaic] Multiple N/A
661-754 Mojave Multiple N/A
661-755 Santa Clarita [Newhall-Castaic] New Cingular Wireless PCS N/A
661-758 Wasco Pacific Bell N/A
661-759 Wasco Multiple N/A
661-760 Buttonwillow Multiple N/A
661-761 Mckittrick Multiple N/A
661-762 Mckittrick Multiple N/A
661-763 Taft Multiple N/A
661-764 Buttonwillow Multiple N/A
661-765 Taft Multiple N/A
661-766 Cuyama Multiple N/A
661-768 Taft Multiple N/A
661-769 Taft Multiple N/A
661-770 Taft Multiple N/A
661-771 Tehachapi Multiple N/A
661-772 Wasco Multiple N/A
661-773 Walkerbsin Multiple N/A
661-774 Palmdale 33 Wireless N/A
661-775 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-776 Shafter Multiple N/A
661-777 Lebec Multiple N/A
661-778 Delano Multiple N/A
661-779 Arvin Multiple N/A
661-780 Palmdale [Leon Valley] Multiple 3/12/2001
661-784 Palmdale New Cingular Wireless PCS 07/25/2023
661-786 Santa Clarita [Saugus-Canyon Country] Multiple 5/13/2019
661-788 Bakersfield South Multiple 6/3/2020
661-789 Palmdale Multiple N/A
661-791 Palmdale Utility Telecom Group N/A
661-792 Mcfarland Multiple N/A
661-793 Palmdale [Leon Valley] Multiple N/A
661-794 Palmdale Multiple 2/22/2006
661-795 Palmdale Multiple 08/17/2023
661-797 Lost Hills Multiple N/A
661-799 Santa Clarita [Newhall-Castaic] Pacific Bell N/A
661-800-XXXX --- 661-899-XXXX
NPANXX Area served[1] Provider[2] Date[3]
661-800 Bakersfield Multiple N/A
661-802 Lancaster Multiple N/A
661-803 Santa Clarita [Newhall-Castaic] New Cingular Wireless PCS 4/18/2001
661-805 Bakersfield South Cellco Partnership N/A
661-808 Bakersfield Multiple N/A
661-809 Bakersfield South Cellco Partnership N/A
661-810 Palmdale MetroPCS Networks N/A
661-812 Santa Clarita [Newhall-Castaic] Multiple 01/17/2024
661-816 Palmdale T-Mobile USA N/A
661-817 Bakersfield Multiple N/A
661-820 Bakersfield Multiple 01/17/2024
661-821 Tehachapi Multiple N/A
661-822 Tehachapi Pacific Bell N/A
661-823 Tehachapi Multiple N/A
661-824 Mojave Pacific Bell N/A
661-825 Tehachapi Multiple N/A
661-827 Bakersfield South Multiple N/A
661-829 Bakersfield North Multiple 3/12/2002
661-831 Bakersfield South Pacific Bell N/A
661-832 Bakersfield South Pacific Bell N/A
661-833 Bakersfield South Pacific Bell N/A
661-834 Bakersfield South Pacific Bell N/A
661-835 Bakersfield South Multiple N/A
661-836 Bakersfield South Multiple N/A
661-837 Bakersfield South Pacific Bell N/A
661-839 Palmdale Multiple N/A
661-840 Bakersfield Multiple N/A
661-843 Bakersfield Multiple N/A
661-844 Palmdale Multiple 6/1/2020
661-845 Bakersfield South Pacific Bell N/A
661-846 Bakersfield Multiple N/A
661-847 Bakersfield South Multiple 3/1/2001
661-849 Earlimart Multiple N/A
661-851 Earlimart Multiple N/A
661-852 Bakersfield Multiple N/A
661-854 Arvin Multiple N/A
661-855 Arvin Multiple N/A
661-857 Santa Clarita [Newhall-Castaic] Multiple N/A
661-858 Bakersfield South Multiple N/A
661-859 Bakersfield Multiple N/A
661-860 Palmdale Multiple 8/30/2002
661-861 Bakersfield Multiple N/A
661-862 Bakersfield Multiple N/A
661-863 Bakersfield Multiple N/A
661-864 Bakersfield Multiple N/A
661-865 Bakersfield Multiple 5/19/2006
661-866 Bakersfield Multiple 9/21/2020
661-867 Walkerbsin Multiple N/A
661-868 Bakersfield Multiple N/A
661-869 Bakersfield Multiple N/A
661-871 Bakersfield Pacific Bell N/A
661-872 Bakersfield Pacific Bell N/A
661-873 Bakersfield Multiple N/A
661-874 Lancaster Multiple N/A
661-877 Santa Clarita [Newhall-Castaic] Multiple N/A
661-878 Palmdale Multiple N/A
661-884 Wasco Multiple 10/4/2019
661-885 Bakersfield South Multiple N/A
661-886 Lancaster Multiple 2/7/2001
661-887 Palmdale Multiple 6/7/2021
661-888 Santa Clarita [Newhall-Castaic] Multiple N/A
661-889 Bakersfield Multiple N/A
661-899 Lancaster Multiple 5/13/2019
661-900-XXXX --- 661-999-XXXX
NPANXX Area served[1] Provider[2] Date[3]
661-900 Bakersfield MetroPCS N/A
661-902 Lancaster Multiple N/A
661-903 Arvin Multiple N/A
661-904 Santa Clarita [Newhall-Castaic] Cellco Partnership N/A
661-910 Shafter New Cingular Wireless PCS N/A
661-912 Bakersfield Multiple N/A
661-916 Lancaster Multiple N/A
661-917 Lancaster New Cingular Wireless PCS N/A
661-918 Palmdale 33 Wireless N/A
661-922 Delano Multiple 1/21/2021
661-927 Mcfarland Multiple N/A
661-928 Bakersfield South Multiple 03/14/2024
661-932 Bakersfield Multiple N/A
661-933 Bakersfield North Multiple 7/13/2021
661-934 Arvin Multiple 4/8/2021
661-936 Palmdale T-Mobile USA 11/15/2021
661-940 Lancaster Frontier California N/A
661-941 Lancaster Multiple 3/12/2013
661-942 Lancaster Frontier California N/A
661-943 Lancaster Frontier California N/A
661-944 Palmdale Multiple N/A
661-945 Lancaster Frontier California N/A
661-946 Lancaster Frontier California N/A
661-947 Palmdale Pacific Bell N/A
661-948 Lancaster Frontier California N/A
661-949 Lancaster Multiple N/A
661-951 Lancaster Frontier California N/A
661-952 Lancaster Multiple N/A
661-955 Arvin Multiple 11/9/2020
661-964 Santa Clarita [Newhall-Castaic] Multiple N/A
661-965 Palmdale New Cingular Wireless PCS N/A
661-966 Palmdale American Messaging Services N/A
661-970 Palmdale New Cingular Wireless PCS 02/20/2024
661-972 Tehachapi New Cingular Wireless PCS N/A
661-974 Lancaster Multiple N/A
661-977 Santa Clarita [Saugus-Canyon Country] Multiple N/A
661-978 Bakersfield MetroPCS N/A
661-979 Bakersfield Multiple N/A
661-990 Palmdale Multiple 01/04/2024
661-992 Palmdale New Cingular Wireless PCS N/A
661-993 Santa Clarita [Newhall-Castaic] New Cingular Wireless PCS N/A
661-994 Palmdale New Cingular Wireless PCS 05/09/2024
661-995 Bakersfield Multiple 04/18/2024
661-996 Bakersfield Multiple 01/23/2024
661-997 Mc Farland Multiple 12/05/2023
661-998 Palmdale Multiple 5/1/2001
661-999 Edwards Multiple N/A
  1. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  2. A single provider refers to the original company controlling a whole NPA-NXX block (10,000 phone numbers). With Number Pooling, NPA-NXX blocks can be split into ten 1,000 phone number blocks and handed over to other service providers (available in the USA and Puerto Rico).
  3. Assignment date. N/A: unavailable date or central office code assigned before 2001.
  4. NXX prefixes last updated: December 15, 2025

Cities in area code 661

City1 County Time zone1
Acton Los Angeles P
Arvin Kern P
Bakersfield Kern P
Buttonwillow Kern P
Caliente Kern P
California Hot Springs Tulare P
Canyon Country Los Angeles P
Castaic Los Angeles P
Delano Kern P
Earlimart Tulare P
Edison Kern P
Edwards Kern P
Fellows Kern P
Frazier Park Kern P
Glennville Kern P
Keene Kern P
Lake Hughes Los Angeles P
Lamont Kern P
Lancaster Los Angeles P
Lebec Kern P
Littlerock Los Angeles P
Llano Los Angeles P
Lost Hills Kern P
Maricopa Kern P
Mc Farland Kern P
Mc Kittrick Kern P
Mojave Kern P
New Cuyama Santa Barbara P
Newhall Los Angeles P
Palmdale Los Angeles P
Pearblossom Los Angeles P
Posey Tulare P
Quartz Hill Los Angeles P
Richgrove Tulare P
Rosamond Kern P
Santa Clarita Los Angeles P
Shafter Kern P
Stevenson Ranch Los Angeles P
Taft Kern P
Tehachapi Kern P
Tupman Kern P
Valencia Los Angeles P
Valyermo Los Angeles P
Wasco Kern P
Woody Kern P
  1. Listed above are most places served by USA area code 661. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. P stands for Pacific Time (currently ).
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