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 274 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 .
For exact NPA boundaries see official 475 area code map
Phone number lookup
More Connecticut area codes:
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 |
| 475-362 | Seymour | 02/21/2024 |
| 475-363 | Westport | 02/21/2024 |
| 475-364 | Woodbury | 02/21/2024 |
| 475-365 | New Haven | 03/28/2024 |
| 475-366 | Ansonia/ Derby | 03/13/2024 |
| 475-367 | Byram | 03/28/2024 |
| 475-368 | Darien | 05/01/2024 |
| 475-369 | Huntington | 05/15/2024 |
| 475-370 | Danbury | 05/20/2024 |
| 475-371 | New Canaan | 05/20/2024 |
| 475-372 | New Haven | 06/18/2024 |
| 475-373 | Bridgeport | 06/21/2024 |
| 475-374 | Ansonia/ Derby | 09/12/2024 |
| 475-375 | New Haven | 06/14/2023 |
| 475-376 | Newtown | 10/07/2024 |
| 475-377 | Waterbury | 7/22/2020 |
| 475-378 | New Canaan | 10/07/2024 |
| 475-379 | New Haven | 10/07/2024 |
| 475-380 | Danbury | 10/09/2024 |
| 475-381 | Wallingford | 10/14/2024 |
| 475-382 | Branford | 1/24/2022 |
| 475-383 | Greenwich | 11/21/2024 |
| 475-384 | New Haven | 11/21/2024 |
| 475-385 | Stamford | 01/08/2025 |
| 475-386 | Trumbull | 02/07/2025 |
| 475-387 | New Haven | 02/07/2025 |
| 475-388 | Stamford | 02/07/2025 |
| 475-389 | Waterbury | 02/07/2025 |
| 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 |
- 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.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: March 1st, 2025
Cities in area code 475
| City1 | County | Time Zone2 |
|---|---|---|
| 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 |
- 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.
- E stands for Eastern Time (currently ).