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

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Area Code 475

Area code 475 is in Connecticut, USA , spanning 3 counties and serving 67 cities , including Bridgeport, Waterbury or Norwalk; it currently uses 282 prefixes , assigned from 475-200-XXXX through 475-999-XXXX.

In service since December 12, 2009, area code 475 is an overlay Numbering Plan Area, part of overlay complex 203/475.

The current local time is .

475 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 475 area code map

Phone number lookup

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More Connecticut area codes:

  • 203
  • 860
  • 959

Locate any 475-NXX prefix:

475-200-XXXX --- 475-299-XXXX
NPANXX Area served[1] Provider[2] Date[3]
475-200 Huntington Multiple 6/29/2012
475-201 New Haven Multiple 2/17/2010
475-202 New Haven Multiple 4/19/2011
475-203 Wallingford Onvoy 06/14/2023
475-204 Danbury Multiple 12/20/2012
475-205 Stamford Multiple 8/23/2012
475-206 Danbury Multiple 2/23/2015
475-207 Woodbury Multiple 2/18/2016
475-208 Norwalk Multiple 12/8/2014
475-209 New Haven Multiple 7/21/2014
475-210 Bridgeport Multiple 3/30/2016
475-212 Naugatuck Multiple 11/13/2012
475-213 Stamford Cellco Partnership 5/12/2015
475-214 Stamford Cellco Partnership 4/25/2016
475-215 Ridgefield Multiple 6/26/2014
475-216 Ansonia-Derby Multiple 12/24/2018
475-217 Stamford Cellco Partnership 7/1/2016
475-218 Danbury Multiple 8/11/2015
475-219 Wolcott Multiple 4/16/2015
475-220 New Haven Paetec Itel 9/3/2015
475-221 Branford Multiple 8/15/2014
475-222 Waterbury Multiple 11/20/2012
475-223 Ansonia-Derby Multiple 5/23/2014
475-224 New Haven Multiple 11/17/2015
475-225 Bridgeport Multiple 8/11/2015
475-226 Stamford Cellco Partnership 11/25/2015
475-227 New Haven Multiple 6/13/2011
475-228 Ansonia-Derby Multiple 1/28/2016
475-229 Stamford Cellco Partnership 7/1/2016
475-230 New Haven Teleport Communications America 3/21/2016
475-231 Trumbull Multiple 8/1/2016
475-232 Stamford Multiple 7/25/2016
475-233 Waterbury Multiple 11/8/2016
475-234 New Haven Multiple 12/5/2016
475-235 Waterbury Multiple 7/5/2011
475-236 Bridgeport Multiple 9/1/2017
475-237 Danbury Multiple 12/27/2017
475-238 New Haven Multiple 5/21/2010
475-239 Trumbull Multiple 10/2/2012
475-240 Greenwich Tc Systems 3/11/2015
475-241 New Haven Multiple 7/11/2018
475-242 Redding Multiple 6/29/2017
475-243 Ansonia-Derby Multiple 2/8/2013
475-244 Cheshire Multiple 2/21/2018
475-245 Norwalk Multiple 2/8/2016
475-246 New Haven Southern New England Telco 7/22/2014
475-247 New Haven Southern New England Telco 7/22/2014
475-248 Bridgeport Southern New England Telco 7/22/2014
475-249 Old Greenwich Southern New England Telco 7/22/2014
475-250 Norwalk Multiple 7/23/2018
475-251 Ansonia-Derby Multiple 9/5/2018
475-252 Byram Multiple 9/20/2018
475-253 Wallingford Multiple 10/24/2018
475-254 New Haven Multiple 10/24/2018
475-255 Meriden Multiple 10/5/2018
475-256 Danbury Multiple 12/24/2018
475-257 Norwalk Multiple 3/28/2019
475-258 Norwalk Multiple 9/12/2019
475-259 Darien Multiple 9/25/2017
475-260 Huntington Multiple 2/16/2021
475-261 New Haven Multiple 10/25/2019
475-262 Huntington Multiple 5/23/2019
475-263 Waterbury Multiple 10/1/2019
475-264 Darien Multiple 12/16/2019
475-265 Trumbull Multiple 2/5/2020
475-266 Norwalk Multiple 6/10/2015
475-267 New Haven Multiple 3/27/2020
475-268 Stamford Multiple 2/13/2020
475-269 Huntington Multiple 5/21/2015
475-270 Wallingford Multiple 5/28/2020
475-271 Milford Multiple 6/12/2020
475-272 Fairfield Multiple 6/3/2020
475-273 Bridgeport Multiple 6/22/2020
475-274 Guilford Multiple 7/15/2020
475-275 Byram Multiple 2/22/2016
475-276 Stamford Multiple 7/2/2021
475-277 Wilton Multiple 6/16/2014
475-278 Greenwich Multiple 2/28/2021
475-279 Danbury Multiple 11/17/2015
475-280 Ansonia-Derby Multiple 3/26/2021
475-281 Ansonia-Derby Multiple 12/7/2020
475-282 Bridgeport Multiple 8/29/2011
475-283 Norwalk Multiple 1/5/2016
475-284 Bridgeport Multiple 9/18/2020
475-285 Naugatuck Multiple 7/15/2020
475-286 Branford Multiple 6/23/2021
475-287 New Haven Multiple 7/16/2021
475-288 Norwalk Multiple 10/3/2014
475-289 Danbury Multiple 5/22/2014
475-290 Danbury Multiple 8/31/2021
475-291 Norwalk Multiple 9/27/2021
475-292 Stamford Multiple 10/8/2015
475-293 Wallingford Multiple 6/24/2021
475-294 Milford Multiple 7/21/2021
475-295 Waterbury Multiple 4/27/2021
475-296 Danbury Multiple 9/27/2021
475-297 Newtown Multiple 9/27/2021
475-298 Bridgeport Multiple 9/16/2011
475-299 Stamford Multiple 1/20/2015
475-300-XXXX --- 475-399-XXXX
NPANXX Area served[1] Provider[2] Date[3]
475-300 New Haven Multiple 6/3/2016
475-301 New Haven Multiple 11/18/2021
475-302 Bridgeport Multiple 10/5/2021
475-303 Greenwich Multiple 9/3/2020
475-304 Huntington Multiple 10/5/2021
475-305 Waterbury Multiple 8/12/2021
475-306 New Haven Multiple 11/5/2021
475-307 Meriden Multiple 11/18/2021
475-308 New Haven Multiple 10/5/2021
475-309 Ansonia-Derby Multiple 9/9/2021
475-310 Wallingford Multiple 11/18/2021
475-312 Bridgeport Multiple 10/30/2020
475-313 Waterbury Multiple 9/9/2015
475-314 Huntington Multiple 8/12/2022
475-315 Cheshire Multiple 9/29/2021
475-316 Waterbury Multiple 1/14/2022
475-317 New Haven Multiple 01/06/2023
475-318 New Haven Multiple 02/14/2023
475-319 Bridgeport Multiple 9/29/2016
475-320 Ansonia-Derby Multiple 12/3/2021
475-321 New Haven Multiple 9/13/2022
475-322 Norwalk Cellco Partnership 4/25/2016
475-323 Newtown Multiple 7/29/2015
475-324 Trumbull Multiple 06/23/2023
475-325 Georgetown Multiple 12/1/2014
475-326 Waterbury Multiple 06/23/2023
475-327 Milford Multiple 1/13/2022
475-328 Darien Multiple 4/30/2014
475-329 Danbury Multiple 3/25/2014
475-330 Fairfield Multiple 6/1/2015
475-331 New Haven Multiple 1/28/2016
475-332 Bridgeport Multiple 2/8/2022
475-333 Stamford Multiple 2/27/2017
475-334 Stamford Multiple 07/12/2023
475-335 Greenwich Multiple 07/26/2023
475-336 Darien Multiple 7/21/2020
475-337 Waterbury Multiple 9/26/2022
475-338 Branford Multiple 9/21/2017
475-339 Ansonia-Derby Multiple 4/26/2022
475-340 Oldgrnwich Multiple 09/06/2023
475-341 Waterbury Multiple 10/11/2023
475-342 Ansonia-Derby Multiple 1/7/2022
475-343 Meriden Multiple 12/24/2014
475-344 Bridgeport Multiple 10/18/2023
475-345 Bridgeport Multiple 7/21/2020
475-346 Stamford Multiple 12/08/2023
475-347 Meriden Multiple 12/28/2023
475-348 Danbury Multiple 3/18/2020
475-349 Bridgeport Multiple 01/11/2024
475-350 Stamford Multiple 11/16/2015
475-351 Bridgeport Multiple 1/14/2022
475-352 New Haven Multiple 01/11/2024
475-353 Fairfield Multiple 01/12/2024
475-354 Waterbury Multiple 01/25/2024
475-355 New Haven Multiple 5/22/2014
475-356 Bridgeport Multiple 3/9/2022
475-357 Milford Multiple 01/30/2024
475-358 Branford Multiple 02/02/2024
475-359 Stamford Multiple 4/14/2017
475-360 Newtown Multiple 02/02/2024
475-361 Cheshire Multiple 02/02/2024
475-362 Seymour Multiple 02/21/2024
475-363 Westport Multiple 02/21/2024
475-364 Woodbury Multiple 02/21/2024
475-365 New Haven Multiple 03/28/2024
475-366 Ansonia-Derby Multiple 03/13/2024
475-367 Byram Onvoy 03/28/2024
475-368 Darien Multiple 05/01/2024
475-369 Huntington Multiple 05/15/2024
475-370 Danbury Multiple 05/20/2024
475-371 New Canaan Dish Wireless 05/20/2024
475-372 New Haven Multiple 06/18/2024
475-373 Bridgeport Multiple 06/21/2024
475-374 Ansonia-Derby Multiple 09/12/2024
475-375 New Haven Multiple 06/14/2023
475-376 Newtown Eon Telecom 10/07/2024
475-377 Waterbury Multiple 7/22/2020
475-378 New Canaan Eon Telecom 10/07/2024
475-379 New Haven Eon Telecom 10/07/2024
475-380 Danbury Eon Telecom 10/09/2024
475-381 Wallingford Onvoy 10/14/2024
475-382 Branford Multiple 1/24/2022
475-383 Greenwich Multiple 11/21/2024
475-384 New Haven Multiple 11/21/2024
475-385 Stamford Multiple 01/08/2025
475-386 Trumbull Multiple 02/07/2025
475-387 New Haven Multiple 02/07/2025
475-388 Stamford Multiple 02/07/2025
475-389 Waterbury Multiple 02/07/2025
475-390 New Haven New Cingular Wireless PCS 03/26/2025
475-391 Bridgeport Multiple 04/08/2025
475-392 New Haven Multiple 04/16/2025
475-393 Norwalk Multiple 7/12/2017
475-394 Ansonia-Derby Multiple 07/29/2025
475-395 Norwalk Cellco Partnership 9/17/2015
475-396 Bridgeport Multiple 08/06/2025
475-397 Norwalk Cablevision Lightpath 10/14/2025
475-398 Huntington Onvoy N/A
475-399 Stamford Multiple 9/17/2015
475-400-XXXX --- 475-489-XXXX
NPANXX Area served[1] Provider[2] Date[3]
475-400 Stamford Multiple 11/21/2017
475-405 Cheshire Multiple 5/28/2020
475-410 Woodbury Multiple 2/12/2021
475-414 New Haven Multiple 9/17/2015
475-419 Stamford Multiple 7/1/2015
475-422 Bridgeport Multiple 12/20/2012
475-426 Ridgefield Multiple 1/13/2022
475-434 New Haven Multiple 11/25/2014
475-439 Ansonia-Derby Multiple 8/5/2015
475-441 New Haven Multiple 1/20/2015
475-444 Newtown Multiple 2/8/2013
475-445 Newtown Multiple 6/11/2020
475-447 Byram Multiple 3/23/2021
475-449 Bridgeport Multiple N/A
475-450 Bridgeport Multiple 3/2/2022
475-454 Danbury Multiple 10/26/2020
475-455 Ansonia-Derby Multiple 7/21/2020
475-459 Norwalk Multiple 4/20/2018
475-463 Seymour Multiple 1/18/2022
475-465 Old Greenwich Multiple N/A
475-466 Madison Multiple 1/13/2022
475-467 Trumbull Multiple 1/25/2022
475-470 Norwalk Multiple 2/11/2016
475-471 Westport Onvoy 7/15/2019
475-472 Wilton Multiple 7/15/2019
475-473 Woodbury Multiple 7/15/2019
475-474 Trumbull Multiple 2/4/2021
475-476 Bridgeport Multiple 3/26/2019
475-477 Stamford Multiple 12/17/2019
475-480 New Haven Multiple 3/2/2022
475-489 Norwalk Multiple 11/17/2015
475-500-XXXX --- 475-575-XXXX
NPANXX Area served[1] Provider[2] Date[3]
475-500 Greenwich Multiple 7/15/2019
475-501 Georgetown Multiple 6/11/2020
475-522 Madison Multiple 4/23/2015
475-529 Danbury Multiple 9/16/2011
475-544 Norwalk Multiple 1/14/2022
475-548 Meriden Multiple 1/27/2022
475-549 Milford Multiple 4/23/2015
475-550 Stamford Multiple 3/2/2022
475-557 Waterbury Multiple 11/27/2018
475-558 New Canaan Multiple 4/23/2015
475-559 Waterbury Multiple 9/4/2015
475-575 Ridgefield Multiple 5/13/2020
475-600-XXXX --- 475-689-XXXX
NPANXX Area served[1] Provider[2] Date[3]
475-600 Seymour Multiple 7/15/2019
475-619 Stamford Multiple 12/23/2014
475-622 Wolcott Multiple 1/17/2022
475-639 Redding Multiple 1/25/2022
475-644 Georgetown Multiple 1/27/2022
475-655 New Haven Multiple 1/23/2015
475-666 Westport Multiple 4/21/2016
475-673 Norwalk Multiple 1/10/2022
475-675 Seymour Multiple 1/30/2013
475-678 Danbury Multiple 10/27/2025
475-685 Stamford Multiple 8/28/2018
475-688 Meriden Multiple 7/21/2020
475-689 Waterbury Multiple 12/24/2014
475-701-XXXX --- 475-777-XXXX
NPANXX Area served[1] Provider[2] Date[3]
475-701 Naugatuck Multiple 9/21/2018
475-731 Ansonia-Derby Multiple 8/10/2015
475-739 Wolcott Multiple 3/5/2019
475-746 Stamford Multiple 1/7/2022
475-747 Norwalk Multiple 6/4/2015
475-750 Danbury Multiple 3/2/2022
475-755 Norwalk Multiple 7/22/2020
475-758 New Canaan Multiple 7/22/2020
475-763 Naugatuck Multiple 1/18/2022
475-766 New Haven Multiple 7/22/2020
475-775 Meriden Multiple 2/5/2016
475-777 Ansonia-Derby Multiple 10/7/2014
475-800-XXXX --- 475-897-XXXX
NPANXX Area served[1] Provider[2] Date[3]
475-800 New Haven Multiple 9/28/2017
475-832 Wilton Multiple 1/10/2022
475-837 New Haven Multiple 10/29/2020
475-850 Norwalk Multiple 3/2/2022
475-867 Danbury Multiple 9/13/2022
475-877 Redding Multiple 7/22/2020
475-882 Huntington Multiple 8/7/2009
475-887 Westport Multiple 1/13/2022
475-888 Fairfield Multiple 10/7/2014
475-889 Norwalk Multiple 2/9/2018
475-897 Greenwich Multiple 6/5/2015
475-900-XXXX --- 475-999-XXXX
NPANXX Area served[1] Provider[2] Date[3]
475-900 Guilford Multiple 7/15/2019
475-946 Old Greenwich Multiple 7/21/2020
475-977 Stamford Multiple 7/22/2020
475-988 Bridgeport Multiple 2/3/2015
475-999 Fairfield Multiple 2/8/2013
  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: February 13, 2026

Cities in area code 475

City1 County Time zone1
Ansonia New Haven E
Beacon Falls New Haven E
Bethany New Haven E
Bethel Fairfield E
Bethlehem Litchfield E
Botsford Fairfield E
Branford New Haven E
Bridgeport Fairfield E
Brookfield Fairfield E
Cheshire New Haven E
Cos Cob Fairfield E
Danbury Fairfield E
Darien Fairfield E
Derby New Haven E
East Haven New Haven E
Easton Fairfield E
Fairfield Fairfield E
Georgetown Fairfield E
Greens Farms Fairfield E
Greenwich Fairfield E
Guilford New Haven E
Hamden New Haven E
Hawleyville Fairfield E
Madison New Haven E
Meriden New Haven E
Middlebury New Haven E
Milford New Haven E
Monroe Fairfield E
Naugatuck New Haven E
New Canaan Fairfield E
New Fairfield Fairfield E
New Haven New Haven E
Newtown Fairfield E
North Branford New Haven E
North Haven New Haven E
Northford New Haven E
Norwalk Fairfield E
Old Greenwich Fairfield E
Orange New Haven E
Oxford New Haven E
Prospect New Haven E
Redding Fairfield E
Redding Center Fairfield E
Redding Ridge Fairfield E
Ridgefield Fairfield E
Riverside Fairfield E
Roxbury Litchfield E
Sandy Hook Fairfield E
Seymour New Haven E
Shelton Fairfield E
Sherman Fairfield E
South Britain New Haven E
Southbury New Haven E
Southport Fairfield E
Stamford Fairfield E
Stevenson Fairfield E
Stratford Fairfield E
Trumbull Fairfield E
Wallingford New Haven E
Waterbury New Haven E
West Haven New Haven E
Weston Fairfield E
Westport Fairfield E
Wilton Fairfield E
Wolcott New Haven E
Woodbridge New Haven E
Woodbury Litchfield E
  1. Listed above are most places served by USA area code 475. 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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