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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 249 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 01:01:04 PM (Eastern Time Zone).

475 area code location on a map

*For exact NPA boundaries see official 475 area code map

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Locate any 475-NXX prefix:

NPANXX Area served1 Date2
475-200 Huntington 6/29/2012
475-201 New Haven 2/17/2010
475-202 New Haven 4/19/2011
475-203 Wallingford 06/14/2023
475-204 Danbury 12/20/2012
475-205 Stamford 8/23/2012
475-206 Danbury 2/23/2015
475-207 Woodbury 2/18/2016
475-208 Norwalk 12/8/2014
475-209 New Haven 7/21/2014
475-210 Bridgeport 3/30/2016
475-212 Naugatuck 11/13/2012
475-213 Stamford 5/12/2015
475-214 Stamford 4/25/2016
475-215 Ridgefield 6/26/2014
475-216 Ansonia/ Derby 12/24/2018
475-217 Stamford 7/1/2016
475-218 Danbury 8/11/2015
475-219 Wolcott 4/16/2015
475-220 New Haven 9/3/2015
475-221 Branford 8/15/2014
475-222 Waterbury 11/20/2012
475-223 Ansonia/ Derby 5/23/2014
475-224 New Haven 11/17/2015
475-225 Bridgeport 8/11/2015
475-226 Stamford 11/25/2015
475-227 New Haven 6/13/2011
475-228 Ansonia/ Derby 1/28/2016
475-229 Stamford 7/1/2016
475-230 New Haven 3/21/2016
475-231 Trumbull 8/1/2016
475-232 Stamford 7/25/2016
475-233 Waterbury 11/8/2016
475-234 New Haven 12/5/2016
475-235 Waterbury 7/5/2011
475-236 Bridgeport 9/1/2017
475-237 Danbury 12/27/2017
475-238 New Haven 5/21/2010
475-239 Trumbull 10/2/2012
475-240 Greenwich 3/11/2015
475-241 New Haven 7/11/2018
475-242 Redding 6/29/2017
475-243 Ansonia/ Derby 2/8/2013
475-244 Cheshire 2/21/2018
475-245 Norwalk 2/8/2016
475-246 New Haven 7/22/2014
475-247 New Haven 7/22/2014
475-248 Bridgeport 7/22/2014
475-249 Old Greenwich 7/22/2014
475-250 Norwalk 7/23/2018
475-251 Ansonia/ Derby 9/5/2018
475-252 Byram 9/20/2018
475-253 Wallingford 10/24/2018
475-254 New Haven 10/24/2018
475-255 Meriden 10/5/2018
475-256 Danbury 12/24/2018
475-257 Norwalk 3/28/2019
475-258 Norwalk 9/12/2019
475-259 Darien 9/25/2017
475-260 Huntington 2/16/2021
475-261 New Haven 10/25/2019
475-262 Huntington 5/23/2019
475-263 Waterbury 10/1/2019
475-264 Darien 12/16/2019
475-265 Trumbull 2/5/2020
475-266 Norwalk 6/10/2015
475-267 New Haven 3/27/2020
475-268 Stamford 2/13/2020
475-269 Huntington 5/21/2015
475-270 Wallingford 5/28/2020
475-271 Milford 6/12/2020
475-272 Fairfield 6/3/2020
475-273 Bridgeport 6/22/2020
475-274 Guilford 7/15/2020
475-275 Byram 2/22/2016
475-276 Stamford 7/2/2021
475-277 Wilton 6/16/2014
475-278 Greenwich 2/28/2021
475-279 Danbury 11/17/2015
475-280 Ansonia/ Derby 3/26/2021
475-281 Ansonia/ Derby 12/7/2020
475-282 Bridgeport 8/29/2011
475-283 Norwalk 1/5/2016
475-284 Bridgeport 9/18/2020
475-285 Naugatuck 7/15/2020
475-286 Branford 6/23/2021
475-287 New Haven 7/16/2021
475-288 Norwalk 10/3/2014
475-289 Danbury 5/22/2014
475-290 Danbury 8/31/2021
475-291 Norwalk 9/27/2021
475-292 Stamford 10/8/2015
475-293 Wallingford 6/24/2021
475-294 Milford 7/21/2021
475-295 Waterbury 4/27/2021
475-296 Danbury 9/27/2021
475-297 Newtown 9/27/2021
475-298 Bridgeport 9/16/2011
475-299 Stamford 1/20/2015

NPANXX Area served1 Date2
475-300 New Haven 6/3/2016
475-301 New Haven 11/18/2021
475-302 Bridgeport 10/5/2021
475-303 Greenwich 9/3/2020
475-304 Huntington 10/5/2021
475-305 Waterbury 8/12/2021
475-306 New Haven 11/5/2021
475-307 Meriden 11/18/2021
475-308 New Haven 10/5/2021
475-309 Ansonia/ Derby 9/9/2021
475-310 Wallingford 11/18/2021
475-312 Bridgeport 10/30/2020
475-313 Waterbury 9/9/2015
475-314 Huntington 8/12/2022
475-315 Cheshire 9/29/2021
475-316 Waterbury 1/14/2022
475-317 New Haven 01/06/2023
475-318 New Haven 02/14/2023
475-319 Bridgeport 9/29/2016
475-320 Ansonia/ Derby 12/3/2021
475-321 New Haven 9/13/2022
475-322 Norwalk 4/25/2016
475-323 Newtown 7/29/2015
475-324 Trumbull 06/23/2023
475-325 Georgetown 12/1/2014
475-326 Waterbury 06/23/2023
475-327 Milford 1/13/2022
475-328 Darien 4/30/2014
475-329 Danbury 3/25/2014
475-330 Fairfield 6/1/2015
475-331 New Haven 1/28/2016
475-332 Bridgeport 2/8/2022
475-333 Stamford 2/27/2017
475-334 Stamford 07/12/2023
475-335 Greenwich 07/26/2023
475-336 Darien 7/21/2020
475-337 Waterbury 9/26/2022
475-338 Branford 9/21/2017
475-339 Ansonia/ Derby 4/26/2022
475-340 Oldgrnwich 09/06/2023
475-341 Waterbury 10/11/2023
475-342 Ansonia/ Derby 1/7/2022
475-343 Meriden 12/24/2014
475-344 Bridgeport 10/18/2023
475-345 Bridgeport 7/21/2020
475-346 Stamford 12/08/2023
475-347 Meriden 12/28/2023
475-348 Danbury 3/18/2020
475-349 Bridgeport 01/11/2024
475-350 Stamford 11/16/2015
475-351 Bridgeport 1/14/2022
475-352 New Haven 01/11/2024
475-353 Fairfield 01/12/2024
475-354 Waterbury 01/25/2024
475-355 New Haven 5/22/2014
475-356 Bridgeport 3/9/2022
475-357 Milford 01/30/2024
475-358 Branford 02/02/2024
475-359 Stamford 4/14/2017
475-360 Newtown 02/02/2024
475-361 Cheshire 02/02/2024
475-375 New Haven 06/14/2023
475-377 Waterbury 7/22/2020
475-382 Branford 1/24/2022
475-393 Norwalk 7/12/2017
475-395 Norwalk 9/17/2015
475-399 Stamford 9/17/2015

NPANXX Area served1 Date2
475-400 Stamford 11/21/2017
475-405 Cheshire 5/28/2020
475-410 Woodbury 2/12/2021
475-414 New Haven 9/17/2015
475-419 Stamford 7/1/2015
475-422 Bridgeport 12/20/2012
475-426 Ridgefield 1/13/2022
475-434 New Haven 11/25/2014
475-439 Ansonia/ Derby 8/5/2015
475-441 New Haven 1/20/2015
475-444 Newtown 2/8/2013
475-445 Newtown 6/11/2020
475-447 Byram 3/23/2021
475-449 Bridgeport N/A
475-450 Bridgeport 3/2/2022
475-454 Danbury 10/26/2020
475-455 Ansonia/ Derby 7/21/2020
475-459 Norwalk 4/20/2018
475-463 Seymour 1/18/2022
475-465 Old Greenwich N/A
475-466 Madison 1/13/2022
475-467 Trumbull 1/25/2022
475-470 Norwalk 2/11/2016
475-471 Westport 7/15/2019
475-472 Wilton 7/15/2019
475-473 Woodbury 7/15/2019
475-474 Trumbull 2/4/2021
475-476 Bridgeport 3/26/2019
475-477 Stamford 12/17/2019
475-480 New Haven 3/2/2022
475-489 Norwalk 11/17/2015

NPANXX Area served1 Date2
475-500 Greenwich 7/15/2019
475-501 Georgetown 6/11/2020
475-522 Madison 4/23/2015
475-529 Danbury 9/16/2011
475-544 Norwalk 1/14/2022
475-548 Meriden 1/27/2022
475-549 Milford 4/23/2015
475-550 Stamford 3/2/2022
475-557 Waterbury 11/27/2018
475-558 New Canaan 4/23/2015
475-559 Waterbury 9/4/2015
475-575 Ridgefield 5/13/2020

NPANXX Area served1 Date2
475-600 Seymour 7/15/2019
475-619 Stamford 12/23/2014
475-622 Wolcott 1/17/2022
475-639 Redding 1/25/2022
475-644 Georgetown 1/27/2022
475-655 New Haven 1/23/2015
475-666 Westport 4/21/2016
475-673 Norwalk 1/10/2022
475-675 Seymour 1/30/2013
475-685 Stamford 8/28/2018
475-688 Meriden 7/21/2020
475-689 Waterbury 12/24/2014

NPANXX Area served1 Date2
475-701 Naugatuck 9/21/2018
475-731 Ansonia/ Derby 8/10/2015
475-739 Wolcott 3/5/2019
475-746 Stamford 1/7/2022
475-747 Norwalk 6/4/2015
475-750 Danbury 3/2/2022
475-755 Norwalk 7/22/2020
475-758 New Canaan 7/22/2020
475-763 Naugatuck 1/18/2022
475-766 New Haven 7/22/2020
475-775 Meriden 2/5/2016
475-777 Ansonia/ Derby 10/7/2014

NPANXX Area served1 Date2
475-800 New Haven 9/28/2017
475-832 Wilton 1/10/2022
475-837 New Haven 10/29/2020
475-850 Norwalk 3/2/2022
475-867 Danbury 9/13/2022
475-877 Redding 7/22/2020
475-882 Huntington 8/7/2009
475-887 Westport 1/13/2022
475-888 Fairfield 10/7/2014
475-889 Norwalk 2/9/2018
475-897 Greenwich 6/5/2015

NPANXX Area served1 Date2
475-900 Guilford 7/15/2019
475-946 Old Greenwich 7/21/2020
475-977 Stamford 7/22/2020
475-988 Bridgeport 2/3/2015
475-999 Fairfield 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. Assignment date. N/A - mostly central office codes assigned before 2001.
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Cities in area code 475

City1 County Time2
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 Zone (currently 01:01:04 PM).
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