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

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Area Code 231

Area code 231 is in Michigan, USA , spanning 22 counties and serving 141 cities , including Muskegon, Traverse City or Cadillac; it currently uses 571 prefixes , assigned from 231-201-XXXX through 231-999-XXXX.

In service date for area code 231: June 05, 1999.

The current local time is .

231 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 231 area code map

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More Michigan area codes:

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Locate any 231-NXX prefix:

231-201-XXXX --- 231-299-XXXX
NPANXX Area served[1] Provider[2] Date[3]
231-201 Chippewa Lake Multiple 3/5/2004
231-202 Mecosta Multiple 3/5/2004
231-203 Alanson Multiple 3/19/2004
231-204 Fife Lake USA Mobility Wireless N/A
231-205 Brutus Interactive Services Network 3/24/2004
231-206 Muskegon Omnipoint Communications Midwest Operations N/A
231-207 Honor Interactive Services Network 3/24/2004
231-208 Boyne Falls Interactive Services Network 3/24/2004
231-209 Suttons Bay Interactive Services Network 3/25/2004
231-210 St James Multiple 07/11/2023
231-212 Interlochen Multiple 7/25/2016
231-213 Traverse City Michigan Bell Tel Co 3/26/2015
231-214 Lake North Charter IP Enabled Services 03/12/2025
231-215 Muskegon Cellco Partnership N/A
231-216 Frankfort Multiple 12/1/2015
231-217 Bear Lake Interactive Services Network 3/24/2004
231-218 Traverse City Omnipoint Communications Midwest Operations N/A
231-219 Merritt Interactive Services Network 3/24/2004
231-220 Muskegon Multiple 3/25/2003
231-221 Harbor Springs Multiple 6/1/2015
231-222 East Jordan Multiple 4/4/2002
231-223 Old Mission Multiple N/A
231-224 Fremont Multiple N/A
231-225 Fremont Multiple 4/4/2002
231-226 Glen Lake Interactive Services Network 3/24/2004
231-227 Honor Multiple 9/26/2012
231-228 Glen Lake Brightspeed Of Michigan N/A
231-229 Moorestown Brightspeed Of Michigan N/A
231-230 Elmira Interactive Services Network 3/24/2004
231-232 Moorestown Interactive Services Network 3/24/2004
231-233 Ludington Cellco Partnership 8/30/2004
231-234 Buckley Charter IP Enabled Services 12/7/2015
231-235 Levering Interactive Services Network 3/24/2004
231-236 Lake City Interactive Services Network 3/24/2004
231-237 Charlevoix Multiple N/A
231-238 Indian River Multiple N/A
231-239 Ludington Multiple 4/28/2004
231-240 Lake Ann Interactive Services Network 3/24/2004
231-241 Pentwater Multiple 10/10/2006
231-242 Harbor Springs Multiple N/A
231-243 Alanson Interactive Services Network 3/24/2004
231-244 Boyne City Multiple 8/26/2015
231-245 Newaygo Multiple 7/17/2009
231-246 Muskegon Multiple 12/22/2015
231-247 Williamsburg Multiple 9/28/2018
231-249 Cheboygan Bandwidth.com Clec N/A
231-250 Big Rapids Cellco Partnership N/A
231-251 Lake Leelanau Multiple 12/2/2015
231-252 Traverse City Multiple 4/18/2016
231-253 Cadillac Multiple 11/8/2018
231-254 Petoskey Multiple 10/24/2019
231-255 Onekama USA Mobility Wireless N/A
231-256 Lake Leelanau Multiple N/A
231-257 Lake City Multiple 2/27/2019
231-258 Kalkaska Michigan Bell Tel Co N/A
231-259 Shelby Multiple 2/7/2007
231-260 Muskegon Multiple 3/3/2017
231-261 Ludington Multiple 12/31/2018
231-262 Elmira Multiple 1/21/2005
231-263 Kingsley Multiple N/A
231-264 Elk Rapids Multiple N/A
231-265 Coral Multiple 5/19/2014
231-266 Irons Multiple N/A
231-267 Williamsburg Multiple N/A
231-268 Cheboygan Multiple 7/12/2004
231-269 Buckley Ace Tel. Co. Of Michigan N/A
231-270 Boyne City Multiple 5/21/2021
231-271 Suttons Bay Brightspeed Of Michigan N/A
231-272 Kingsley Multiple 8/8/2019
231-273 Eastport Multiple 10/26/2020
231-274 Traverse City American Messaging Services N/A
231-275 Lake Ann Brightspeed Of Michigan N/A
231-276 Interlochen Multiple N/A
231-277 Fountain Multiple 3/22/2016
231-278 Hesperia Multiple 10/26/2020
231-279 Big Rapids Multiple 12/20/2019
231-280 Mancelona Multiple 2/29/2016
231-281 Cadillac Multiple 11/3/2020
231-282 Grant Multiple N/A
231-283 Muskegon Multiple 11/9/2020
231-284 Manistee Multiple 3/1/2021
231-285 Cadillac Multiple 1/9/2020
231-286 Muskegon Cellco Partnership N/A
231-287 Big Rapids Multiple N/A
231-288 Muskegon Multiple 9/13/2005
231-289 Charlevoix Multiple 7/19/2018
231-290 Indian River Multiple N/A
231-291 Muskegon Interactive Services Network 5/11/2012
231-292 Whitehall Multiple 7/30/2010
231-293 Frankfort Multiple 5/14/2021
231-294 Fife Lake Multiple 6/15/2021
231-295 Lake City Multiple 9/26/2012
231-296 Fremont Multiple 5/13/2021
231-297 Kingsley Multiple 6/25/2021
231-298 Irons Multiple 5/13/2021
231-299 Manistee Multiple 12/28/2011
231-300-XXXX --- 231-399-XXXX
NPANXX Area served[1] Provider[2] Date[3]
231-300 Alden Multiple 9/7/2017
231-301 Hart Multiple N/A
231-302 Petoskey Bandwidth.com Clec N/A
231-303 Newaygo Multiple 5/16/2011
231-304 Brutus Multiple 10/26/2020
231-305 Big Rapids Interactive Services Network N/A
231-306 Cadillac Interactive Services Network N/A
231-307 Morley Multiple N/A
231-308 Charlevoix Interactive Services Network N/A
231-309 Manistee Interactive Services Network N/A
231-310 Falmouth Multiple 9/25/2018
231-312 Frankfort Interactive Services Network N/A
231-313 Traverse City New Cingular Wireless PCS N/A
231-314 Kalkaska Interactive Services Network N/A
231-315 Muskegon USA Mobility Wireless N/A
231-316 Ludington Interactive Services Network N/A
231-317 Boyne City USA Mobility Wireless N/A
231-318 Traverse City USA Mobility Wireless N/A
231-319 Mackinaw City Interactive Services Network N/A
231-320 Torch River Bridge Multiple 9/3/2021
231-321 Elmira Multiple 5/19/2021
231-322 Torch River Bridge Multiple N/A
231-323 East Jordan Bandwidth.com Clec N/A
231-324 Harbor Springs Multiple 5/25/2021
231-325 Honor Brightspeed Of Michigan N/A
231-326 Glen Lake Brightspeed Of Michigan N/A
231-327 Muskegon Multiple N/A
231-328 Merritt Multiple N/A
231-329 Muskegon New Cingular Wireless PCS N/A
231-330 Petoskey Cellco Partnership 12/10/2002
231-331 Alden Multiple N/A
231-332 Muskegon Interactive Services Network N/A
231-333 Cheboygan Multiple 4/4/2002
231-334 Glen Lake Brightspeed Of Michigan N/A
231-335 Fremont Multiple N/A
231-336 Ludington USA Mobility Wireless N/A
231-337 Mcbain New Cingular Wireless PCS N/A
231-338 Baldwin Multiple N/A
231-339 Muskegon American Messaging Services N/A
231-340 Elmira Multiple 7/9/2003
231-341 Lake Ann Multiple 05/22/2025
231-342 Traverse City Cellco Partnership N/A
231-343 Muskegon Omnipoint Communications Midwest Operations N/A
231-344 Petoskey Interactive Services Network N/A
231-345 Reed City Multiple N/A
231-346 Traverse City Interactive Services Network N/A
231-347 Petoskey Michigan Bell Tel Co N/A
231-348 Petoskey Michigan Bell Tel Co N/A
231-349 Big Rapids Cellco Partnership N/A
231-350 Bellaire Multiple 7/9/2003
231-351 Scottville Interactive Services Network N/A
231-352 Frankfort Multiple N/A
231-353 Mcbain Interactive Services Network N/A
231-354 Coral Multiple N/A
231-355 Fremont Interactive Services Network N/A
231-356 Mancelona Interactive Services Network N/A
231-357 Traverse City Cellco Partnership N/A
231-358 Central Lake Interactive Services Network N/A
231-359 Mecosta Multiple 9/26/2012
231-360 Traverse City Multiple 12/30/2002
231-361 Morley Interactive Services Network N/A
231-362 Kaleva Kaleva Tel. Co. N/A
231-363 Cheboygan Interactive Services Network N/A
231-364 Northport Multiple 6/15/2021
231-365 Wolverine Interactive Services Network N/A
231-366 Fruitport Multiple 2/27/2003
231-367 Wolverine Multiple 6/25/2021
231-368 Baldwin Interactive Services Network N/A
231-369 Soboardman Ace Tel. Co. Of Michigan N/A
231-370 Muskegon Multiple 9/3/2021
231-371 Tustin Multiple 9/3/2021
231-372 Evart Interactive Services Network N/A
231-373 Petoskey Multiple 4/27/2004
231-374 Shelby Multiple 6/15/2021
231-375 Muskegon Multiple N/A
231-376 Twin Lake Multiple 7/2/2021
231-377 Clam River Multiple N/A
231-378 Copemish Thompsonville Ace Tel. Co. Of Michigan N/A
231-379 Onekama Multiple 8/26/2021
231-380 Newaygo Multiple 1/10/2022
231-381 Whitecloud Multiple 5/13/2021
231-383 Beulah Multiple 4/29/2003
231-384 Kalkaska Multiple 5/1/2003
231-385 Coral Multiple 7/20/2021
231-386 Northport Multiple N/A
231-387 Petoskey Multiple 10/6/2021
231-388 Le Roy Multiple 5/1/2003
231-389 Harrietta Multiple N/A
231-390 Big Rapids Multiple 10/26/2021
231-391 Glen Lake Multiple 7/2/2021
231-392 Traverse City Multiple 1/9/2001
231-393 Le Roy Multiple 7/2/2021
231-394 Moorestown Multiple 7/29/2003
231-395 Grant Interactive Services Network N/A
231-396 Cadillac Multiple 10/29/2021
231-397 Manistee Multiple 11/3/2021
231-398 Manistee Multiple N/A
231-399 Frankfort Multiple 1/19/2005
231-400-XXXX --- 231-499-XXXX
NPANXX Area served[1] Provider[2] Date[3]
231-400 Alanson Multiple 10/10/2019
231-401 Traverse City Multiple 12/21/2021
231-402 Muskegon Multiple 1/21/2022
231-403 Williamsburg Multiple 8/16/2011
231-404 Stanwood Multiple 10/5/2004
231-405 Alden Onvoy 2/4/2022
231-406 Falmouth Multiple 2/4/2022
231-407 Mecosta Onvoy 2/4/2022
231-408 Big Rapids Multiple N/A
231-409 Traverse City New Cingular Wireless PCS N/A
231-410 Manistee Multiple 8/12/2022
231-412 Harbor Springs Multiple 10/11/2010
231-413 Kalkaska Multiple 2/14/2022
231-414 Newaygo Multiple N/A
231-415 Dublin Charter IP Enabled Services 12/5/2022
231-416 Big Rapids American Messaging Services N/A
231-417 Petoskey Multiple 01/06/2023
231-418 Marion Multiple 07/11/2023
231-419 Bellaire Multiple 07/11/2023
231-420 Cheboygan Cellco Partnership N/A
231-421 Traverse City Multiple 2/20/2002
231-422 Pellston Multiple 8/25/2015
231-423 Evart Bandwidth.com Clec N/A
231-424 Carr Multiple 1/27/2005
231-425 Ludington Multiple N/A
231-426 Ravenna Onvoy 07/11/2023
231-427 Mackinaw City Multiple 8/17/2011
231-428 Muskegon Multiple 07/14/2023
231-429 Cadillac Cellco Partnership 12/5/2002
231-430 Boyne City Multiple 07/14/2023
231-431 Clam River Multiple 5/19/2021
231-432 Northport Multiple 8/30/2002
231-433 Moorestown Multiple 4/29/2011
231-434 Manton Multiple 9/26/2014
231-435 Eastport Onvoy 07/14/2023
231-436 Mackinaw City Multiple N/A
231-437 Charlevoix Multiple N/A
231-438 Harbor Springs Onvoy 07/14/2023
231-439 Petoskey Michigan Bell Tel Co N/A
231-440 Baldwin Multiple 8/27/2002
231-441 Fife Lake 123.net 8/27/2002
231-442 Harrietta Multiple 12/1/2015
231-443 Honor Multiple 1/8/2021
231-444 Cadillac Multiple 8/24/2015
231-445 Cheboygan Multiple 8/24/2004
231-446 Northport Onvoy 07/14/2023
231-447 Holton Multiple 12/2/2015
231-448 St James Multiple N/A
231-449 Baldwin Multiple 5/13/2021
231-450 Hesperia Multiple 1/19/2005
231-451 Williamsburg Onvoy 07/14/2023
231-452 Newaygo Multiple 2/8/2001
231-453 Holton Charter IP Enabled Services 03/01/2024
231-454 Traverse City Multiple 9/23/2021
231-455 Pentwater Multiple 1/8/2021
231-456 Glen Lake Multiple 09/05/2024
231-457 Muskegon Multiple N/A
231-459 Boyne City Multiple 1/9/2004
231-460 Big Rapids Multiple N/A
231-462 Fountain Multiple N/A
231-463 Traverse City Cellco Partnership N/A
231-464 Freesoil Multiple N/A
231-465 Reed City Multiple N/A
231-466 Evart Multiple 7/2/2021
231-468 Cadillac Multiple 2/5/2001
231-475 Manton Multiple 7/2/2021
231-477 Brethren Kaleva Tel. Co. N/A
231-480 Ludington Multiple 5/23/2002
231-484 East Jordan Multiple 8/7/2013
231-486 Traverse City Multiple N/A
231-487 Petoskey Multiple N/A
231-488 Manistee 123.net 8/27/2002
231-489 Petoskey Multiple 4/21/2015
231-492 Traverse City Multiple N/A
231-493 Traverse City Multiple 5/17/2017
231-494 Big Rapids American Messaging Services N/A
231-495 Bellaire Multiple 7/29/2016
231-497 Boyne City Multiple N/A
231-498 Elk Rapids Multiple 10/20/2004
231-499 Traverse City Cellco Partnership N/A
231-500-XXXX --- 231-599-XXXX
NPANXX Area served[1] Provider[2] Date[3]
231-500 Whitehall Multiple 10/10/2019
231-508 Onekama Multiple 6/3/2008
231-510 Manistee New Cingular Wireless PCS N/A
231-512 Traverse City American Messaging Services N/A
231-514 Cadillac American Messaging Services N/A
231-515 Evart Multiple 1/19/2005
231-516 Petoskey American Messaging Services N/A
231-518 Kalkaska Multiple 6/18/2001
231-519 Newaygo Cellco Partnership 7/19/2002
231-520 Charlevoix 123.net 8/27/2002
231-522 Luther 123.net N/A
231-525 Wolverine Multiple N/A
231-526 Harbor Springs Michigan Bell Tel Co N/A
231-527 Big Rapids Multiple N/A
231-529 Brutus Multiple N/A
231-531 Muskegon Multiple 4/9/2019
231-533 Bellaire Multiple N/A
231-534 Traverse City Multiple 10/30/2002
231-535 Walloon Lk Multiple N/A
231-536 East Jordan Multiple N/A
231-537 Levering Brightspeed Of Michigan N/A
231-538 Fremont Multiple 8/27/2002
231-539 Pellston Multiple N/A
231-544 Central Lake Multiple N/A
231-545 Boyne Falls Multiple 9/23/2016
231-546 Elmira Brightspeed Of Michigan N/A
231-547 Charlevoix Michigan Bell Tel Co N/A
231-548 Alanson Brightspeed Of Michigan N/A
231-549 Boyne Falls Multiple N/A
231-550 Petoskey Multiple 9/22/2021
231-552 Charlevoix Multiple 07/31/2025
231-557 Muskegon Cellco Partnership N/A
231-559 Mcbain Multiple 8/1/2012
231-563 Muskegon Multiple 1/9/2001
231-564 Kalkaska Multiple N/A
231-566 Harrietta Multiple 2/22/2022
231-567 Muskegon Multiple 12/2/2020
231-568 Traverse City 123.net N/A
231-569 Petoskey American Messaging Services N/A
231-570 Fife Lake Multiple 3/29/2002
231-571 Muskegon Multiple N/A
231-577 Cadillac Multiple 5/14/2002
231-578 Muskegon Omnipoint Communications Midwest Operations N/A
231-580 Big Rapids Multiple 2/5/2001
231-581 Alba Charter IP Enabled Services 4/20/2017
231-582 Boyne City Michigan Bell Tel Co N/A
231-583 Ludington 123.net 8/27/2002
231-584 Alba Pigeon Tel. Co. N/A
231-585 Lake North Pigeon Tel. Co. N/A
231-587 Mancelona Multiple N/A
231-588 Ellsworth Multiple N/A
231-590 Traverse City Cellco Partnership N/A
231-591 Big Rapids Michigan Bell Tel Co N/A
231-592 Big Rapids Michigan Bell Tel Co N/A
231-593 Cadillac USA Mobility Wireless N/A
231-594 Hart Multiple 3/7/2001
231-596 Harbor Springs USA Mobility Wireless N/A
231-597 Cheboygan Multiple N/A
231-598 Big Rapids Multiple N/A
231-599 Eastport Multiple N/A
231-600-XXXX --- 231-699-XXXX
NPANXX Area served[1] Provider[2] Date[3]
231-600 Traverse City Multiple 12/19/2019
231-604 Kalkaska USA Mobility Wireless N/A
231-605 Newaygo USA Mobility Wireless N/A
231-608 Frankfort USA Mobility Wireless N/A
231-613 Scottville Multiple N/A
231-614 Pentwater 123.net 10/12/2001
231-615 Cheboygan American Messaging Services N/A
231-620 Traverse City New Cingular Wireless PCS N/A
231-622 Petoskey Multiple 8/19/2002
231-624 Kalkaska Multiple N/A
231-625 Cheboygan Multiple N/A
231-626 Levering Multiple 9/26/2012
231-627 Cheboygan Multiple N/A
231-629 Big Rapids Multiple N/A
231-631 Traverse City Cellco Partnership 8/31/2001
231-632 Traverse City New Cingular Wireless PCS N/A
231-633 Traverse City New Cingular Wireless PCS N/A
231-634 Bois Blanc Multiple N/A
231-635 Mackinaw City 123.net 8/27/2002
231-636 Howard City Multiple 8/12/2002
231-637 Northport Interactive Services Network 8/31/2001
231-638 Muskegon Multiple 3/9/2001
231-639 Beulah 123.net 8/27/2002
231-640 Lake Ann Multiple 8/30/2002
231-642 Traverse City Multiple 4/2/2001
231-643 Morley Multiple 8/27/2002
231-645 Traverse City New Cingular Wireless PCS N/A
231-646 Ellsworth Multiple 6/18/2001
231-647 Coral Interactive Services Network 8/27/2001
231-648 Howard City Multiple 1/9/2001
231-649 Traverse City Cellco Partnership 7/19/2002
231-651 Beulah Multiple 8/30/2002
231-652 Newaygo Multiple N/A
231-655 Manistee Multiple 12/19/2014
231-656 Kalkaska 123.net 8/27/2002
231-660 Big Rapids Multiple 8/27/2002
231-663 Mesick Multiple 3/7/2022
231-666 Muskegon Multiple 10/9/2017
231-667 Marion Multiple 8/30/2002
231-668 Traverse City Multiple 4/29/2002
231-670 Muskegon Cellco Partnership 2/21/2001
231-672 Muskegon Multiple 11/12/2001
231-674 Grant Multiple 5/18/2001
231-675 Boyne City New Cingular Wireless PCS 3/29/2002
231-676 Bellaire Multiple 8/30/2002
231-678 Brethren Multiple 1/19/2005
231-679 Big Rapids Cellco Partnership 10/24/2002
231-680 Reed City Multiple 8/19/2002
231-681 Fruitport Multiple 6/18/2001
231-682 Alden Interactive Services Network 4/22/2002
231-683 Muskegon Multiple 7/9/2001
231-685 Ravenna Multiple 9/25/2014
231-686 Frankfort 123.net 8/27/2002
231-688 Merritt Multiple 2/19/2020
231-689 Whitecloud Multiple N/A
231-690 Ludington Cellco Partnership 7/19/2002
231-695 Howard City Interactive Services Network 7/11/2001
231-699 Fountain Multiple 2/22/2022
231-707-XXXX --- 231-799-XXXX
NPANXX Area served[1] Provider[2] Date[3]
231-707 Newaygo Multiple 2/25/2016
231-709 Traverse City Multiple N/A
231-712 Muskegon American Messaging Services N/A
231-714 Traverse City Multiple N/A
231-715 Traverse City Multiple N/A
231-719 Muskegon Multiple N/A
231-720 Muskegon Multiple N/A
231-721 Hart Multiple 8/27/2002
231-722 Muskegon Frontier North N/A
231-723 Manistee Michigan Bell Tel Co N/A
231-724 Muskegon Multiple N/A
231-725 Muskegon Multiple N/A
231-726 Muskegon Multiple N/A
231-727 Muskegon Frontier North N/A
231-728 Muskegon Frontier North N/A
231-729 Irons Multiple 8/30/2002
231-730 Muskegon New Cingular Wireless PCS N/A
231-731 Shelby 123.net 10/12/2001
231-732 Morley Multiple N/A
231-733 Muskegon Frontier North N/A
231-734 Evart Multiple N/A
231-735 Traverse City Multiple 6/18/2001
231-736 Muskegon Multiple N/A
231-737 Muskegon Frontier North N/A
231-739 Muskegon Frontier North N/A
231-740 Muskegon Cellco Partnership N/A
231-742 Hart Multiple N/A
231-743 Marion Multiple N/A
231-744 Muskegon Frontier North N/A
231-745 Baldwin Multiple N/A
231-746 Cheboygan Multiple 2/18/2022
231-747 Muskegon Multiple N/A
231-750 Muskegon New Cingular Wireless PCS N/A
231-751 Walloon Lk Multiple 10/6/2014
231-753 Petoskey Multiple 6/18/2001
231-755 Muskegon Frontier North N/A
231-757 Scottville Multiple N/A
231-758 Petoskey Multiple N/A
231-759 Muskegon Frontier North N/A
231-760 Muskegon Multiple N/A
231-762 Amble Michigan Central Broadband Company N/A
231-763 Amble Multiple 4/19/2019
231-764 Fife Lake Interactive Services Network 8/31/2001
231-766 Muskegon Multiple N/A
231-767 Muskegon Multiple N/A
231-768 Le Roy Multiple N/A
231-769 Muskegon Multiple N/A
231-771 Elk Rapids Multiple 3/22/2016
231-772 Wellston Multiple 3/7/2022
231-773 Muskegon Frontier North N/A
231-774 Interlochen Multiple 1/19/2005
231-775 Cadillac Michigan Bell Tel Co N/A
231-776 Petoskey 123.net 8/27/2002
231-777 Muskegon Frontier North N/A
231-778 Traverse City 123.net 8/27/2002
231-779 Cadillac Michigan Bell Tel Co N/A
231-780 Muskegon Multiple N/A
231-782 Cheboygan 123.net 8/27/2002
231-786 Traverse City Multiple 3/24/2021
231-787 Whitecloud Multiple 11/7/2014
231-788 Muskegon Multiple N/A
231-790 Freesoil Multiple 6/18/2001
231-791 Reed City Multiple 5/18/2001
231-792 Mancelona 123.net 8/27/2002
231-793 Whitecloud Multiple 1/9/2001
231-794 Manistee Multiple 8/30/2002
231-796 Big Rapids Michigan Bell Tel Co N/A
231-797 Luther Multiple N/A
231-798 Muskegon Multiple N/A
231-799 Muskegon Multiple N/A
231-800-XXXX --- 231-899-XXXX
NPANXX Area served[1] Provider[2] Date[3]
231-800 Luther Multiple 10/2/2017
231-803 Morley Multiple 5/18/2001
231-805 Kaleva Multiple 1/19/2005
231-806 Coral 123.net 8/27/2002
231-808 Central Lake 123.net 8/12/2002
231-813 Ludington 123.net 2/8/2001
231-818 Cheboygan Multiple N/A
231-819 Tustin Multiple 10/6/2014
231-821 Holton Multiple N/A
231-822 Beulah Interactive Services Network 8/27/2001
231-823 Stanwood Multiple N/A
231-824 Manton Multiple N/A
231-825 Mcbain Multiple N/A
231-826 Falmouth Multiple N/A
231-828 Twin Lake Multiple N/A
231-829 Tustin Multiple N/A
231-830 Muskegon Multiple N/A
231-831 East Jordan Multiple 5/21/2021
231-832 Reed City Michigan Bell Tel Co N/A
231-833 Wolverine Multiple 4/11/2005
231-834 Grant Multiple N/A
231-835 Glen Lake Multiple 8/30/2002
231-836 Evart 123.net 8/27/2002
231-837 Fremont American Messaging Services N/A
231-838 Petoskey New Cingular Wireless PCS 3/29/2002
231-839 Lake City Brightspeed Of Michigan N/A
231-842 Cadillac 123.net 8/27/2002
231-843 Ludington Frontier North N/A
231-844 Indian River Multiple 6/18/2001
231-845 Ludington Frontier North N/A
231-846 Cadillac Multiple N/A
231-848 Wellston Kaleva Tel. Co. N/A
231-852 Ludington Multiple N/A
231-853 Ravenna Multiple N/A
231-854 Hesperia Frontier North N/A
231-855 Muskegon New Cingular Wireless PCS N/A
231-856 Morley Multiple N/A
231-859 Dublin Kaleva Tel. Co. N/A
231-861 Shelby Multiple N/A
231-862 Hoxeyville Multiple N/A
231-864 Bear Lake Brightspeed Of Michigan N/A
231-865 Fruitport Multiple N/A
231-866 Suttons Bay Multiple 8/30/2002
231-867 Chippewa Lake Multiple N/A
231-869 Pentwater Multiple N/A
231-871 Beulah Multiple N/A
231-872 Reed City Multiple N/A
231-873 Hart Frontier North N/A
231-874 Wolverine 123.net 8/27/2002
231-875 Fruitport Bandwidth.com Clec 7/6/2001
231-876 Cadillac Multiple N/A
231-877 Northport 123.net N/A
231-878 Cadillac Cellco Partnership 7/19/2002
231-879 Fife Lake Multiple N/A
231-880 Muskegon Multiple 9/8/2021
231-881 Petoskey Multiple N/A
231-882 Beulah Multiple N/A
231-883 Traverse City New Cingular Wireless PCS N/A
231-884 Cadillac New Cingular Wireless PCS N/A
231-885 Mesick Multiple N/A
231-886 Kalkaska Multiple N/A
231-887 Manistee Multiple N/A
231-888 Twin Lake Multiple 6/16/2015
231-889 Onekama Multiple N/A
231-890 Traverse City Michigan Bell Tel Co N/A
231-893 Whitehall Frontier North N/A
231-894 Whitehall Multiple N/A
231-898 Carr Multiple N/A
231-899 Northport 123.net 8/27/2002
231-900-XXXX --- 231-999-XXXX
NPANXX Area served[1] Provider[2] Date[3]
231-900 Muskegon Multiple 5/13/2019
231-902 Hart Interactive Services Network 8/27/2001
231-903 Muskegon Multiple 4/29/2002
231-907 Ludington Multiple 9/3/2002
231-908 Mcbain 123.net 8/27/2002
231-912 Reed City Multiple 8/30/2002
231-916 Mancelona Multiple 6/18/2001
231-920 Cadillac New Cingular Wireless PCS N/A
231-922 Traverse City Michigan Bell Tel Co N/A
231-923 Hart Multiple 5/18/2001
231-924 Fremont Michigan Bell Tel Co N/A
231-925 Scottville Multiple 8/27/2002
231-928 Fremont Multiple N/A
231-929 Traverse City Michigan Bell Tel Co N/A
231-930 Beulah Multiple 6/18/2001
231-932 Traverse City Michigan Bell Tel Co N/A
231-933 Traverse City Michigan Bell Tel Co N/A
231-935 Traverse City Michigan Bell Tel Co N/A
231-936 Scottville Multiple 6/18/2001
231-937 Howard City Multiple N/A
231-938 Traverse City Multiple N/A
231-939 Petoskey Multiple 8/9/2017
231-941 Traverse City Michigan Bell Tel Co N/A
231-942 Cadillac Multiple 6/18/2001
231-943 Traverse City Multiple N/A
231-944 Traverse City Multiple N/A
231-946 Traverse City Michigan Bell Tel Co N/A
231-947 Traverse City Michigan Bell Tel Co N/A
231-955 Muskegon New Cingular Wireless PCS N/A
231-963 Mcbain Ton80 Communications 2/28/2022
231-966 Freesoil Ton80 Communications 2/22/2022
231-968 Cadillac Multiple 9/16/2021
231-970 Bear Lake Multiple 8/30/2002
231-972 Mecosta Brightspeed Of Central Michigan N/A
231-974 Grant Multiple 8/27/2002
231-977 Mackinaw City Multiple 2/19/2020
231-981 Whitehall Multiple N/A
231-994 Lake Leelanau Multiple 1/19/2005
231-995 Traverse City Michigan Bell Tel Co N/A
231-999 Central Lake Multiple 8/24/2015
  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 231

City1 County Time zone1
Acme Grand Traverse E
Afton Cheboygan E
Alanson Emmet E
Alba Antrim E
Alden Antrim E
Arcadia Manistee E
Bailey Muskegon E
Baldwin Lake E
Bay Shore Charlevoix E
Bear Lake Manistee E
Beaver Island Charlevoix E
Bellaire Antrim E
Benzonia Benzie E
Beulah Benzie E
Big Rapids Mecosta E
Bitely Newaygo E
Boon Wexford E
Boyne City Charlevoix E
Boyne Falls Charlevoix E
Branch Mason E
Brethren Manistee E
Brohman Newaygo E
Brutus Emmet E
Buckley Wexford E
Burt Lake Cheboygan E
Cadillac Wexford E
Carp Lake Emmet E
Casnovia Muskegon E
Cedar Leelanau E
Central Lake Antrim E
Charlevoix Charlevoix E
Chase Lake E
Cheboygan Cheboygan E
Chippewa Lake Mecosta E
Conway Emmet E
Copemish Manistee E
Coral Montcalm E
Cross Village Emmet E
Custer Mason E
East Jordan Charlevoix E
Eastlake Manistee E
Eastport Antrim E
Elberta Benzie E
Elk Rapids Antrim E
Ellsworth Antrim E
Elmira Otsego E
Empire Leelanau E
Evart Osceola E
Falmouth Missaukee E
Fife Lake Kalkaska E
Filer City Manistee E
Fountain Mason E
Frankfort Benzie E
Free Soil Mason E
Fremont Newaygo E
Fruitport Muskegon E
Glen Arbor Leelanau E
Good Hart Emmet E
Gowen Kent E
Grant Newaygo E
Grawn Grand Traverse E
Greenville Montcalm E
Harbor Springs Emmet E
Harrietta Wexford E
Hart Oceana E
Hersey Osceola E
Hesperia Oceana E
Holton Muskegon E
Honor Benzie E
Howard City Montcalm E
Idlewild Lake E
Indian River Cheboygan E
Interlochen Grand Traverse E
Irons Lake E
Kaleva Manistee E
Kalkaska Kalkaska E
Kewadin Antrim E
Kingsley Grand Traverse E
Lake Ann Benzie E
Lake City Missaukee E
Lake Leelanau Leelanau E
Leland Leelanau E
Leroy Osceola E
Levering Emmet E
Ludington Mason E
Luther Lake E
Mackinaw City Cheboygan E
Mancelona Antrim E
Manistee Manistee E
Manton Wexford E
Maple City Leelanau E
Marion Osceola E
Mayfield Grand Traverse E
Mc Bain Missaukee E
Mears Oceana E
Mecosta Mecosta E
Merritt Missaukee E
Mesick Wexford E
Montague Muskegon E
Morley Mecosta E
Mullett Lake Cheboygan E
Muskegon Muskegon E
New Era Oceana E
Newaygo Newaygo E
Northport Leelanau E
Oden Emmet E
Old Mission Grand Traverse E
Omena Leelanau E
Onekama Manistee E
Paris Mecosta E
Pellston Emmet E
Pentwater Oceana E
Petoskey Emmet E
Pierson Montcalm E
Pointe Aux Pins Mackinac E
Rapid City Kalkaska E
Ravenna Muskegon E
Reed City Osceola E
Rodney Mecosta E
Rothbury Oceana E
Scottville Mason E
Sears Osceola E
Shelby Oceana E
South Boardman Kalkaska E
Stanwood Mecosta E
Suttons Bay Leelanau E
Sylvan Beach Muskegon E
Thompsonville Benzie E
Topinabee Cheboygan E
Traverse City Grand Traverse E
Trufant Montcalm E
Tustin Osceola E
Twin Lake Muskegon E
Walhalla Mason E
Walkerville Oceana E
Walloon Lake Charlevoix E
Wellston Manistee E
White Cloud Newaygo E
Whitehall Muskegon E
Williamsburg Grand Traverse E
Wolverine Cheboygan E
  1. Listed above are most places served by USA area code 231. 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. E stands for Eastern Time (currently ).
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