← Area code 475

All assignees

304 prefixes in 475 · initial assignments from the NANPA CO code file, 09/17/2026

Prefixes held by all assignees in area code 475
NPA-NXXRate centerOCNAssignedPooled
475-400 STAMFORD 639C 2017-11-21 Yes
475-401 GUILFORD 639C 2026-07-30 Yes
475-402 NEW HAVEN 639C 2026-08-06 Yes
475-403 WATERBURY 639C 2026-08-06 Yes
475-404 ANSONIDRBY 639C 2026-09-09 Yes
475-405 CHESHIRE 639C 2020-05-28 Yes
475-410 WOODBURY 624H 2021-02-12 Yes
475-411 XXXXXXXXXX MULT
475-414 NEW HAVEN 6388 2015-09-17 Yes
475-419 STAMFORD 6388 2015-07-01 Yes
475-422 BRIDGEPORT 6388 2012-12-20 Yes
475-426 RIDGEFIELD 516J 2022-01-13 Yes
475-434 NEW HAVEN 5562 2014-11-25 Yes
475-439 ANSONIDRBY 4036 2015-08-05 Yes
475-441 NEW HAVEN 6388 2015-01-20 Yes
475-444 NEWTOWN 539F 2013-02-08 Yes
475-445 NEWTOWN 639C 2020-06-11 Yes
475-447 BYRAM 624H 2021-03-23 Yes
475-449 BRIDGEPORT 6624 Yes
475-450 BRIDGEPORT 866H 2022-03-02 Yes
475-454 DANBURY 639C 2020-10-26 Yes
475-455 ANSONIDRBY 965H 2020-07-21 Yes
475-459 NORWALK 6388 2018-04-20 Yes
475-463 SEYMOUR 516J 2022-01-18 Yes
475-465 OLDGRNWICH 639C Yes
475-466 MADISON 516J 2022-01-13 Yes
475-467 TRUMBULL 516J 2022-01-25 Yes
475-470 NORWALK 639C 2016-02-11 Yes
475-471 WESTPORT 639C 2019-07-15 Yes
475-472 WILTON 639C 2019-07-15 Yes
475-473 WOODBURY 639C 2019-07-15 Yes
475-474 TRUMBULL 639C 2021-02-04 Yes
475-476 BRIDGEPORT 639C 2019-03-26 Yes
475-477 STAMFORD 639C 2019-12-17 Yes
475-480 NEW HAVEN 866H 2022-03-02 Yes
475-489 NORWALK 6388 2015-11-17 Yes
475-500 GREENWICH 639C 2019-07-15 Yes
475-501 GEORGETOWN 639C 2020-06-11 Yes
475-509 GREENWICH 4950 2026-06-26 Yes
475-511 XXXXXXXXXX MULT
475-522 MADISON 199F 2015-04-23 Yes
475-529 DANBURY 6388 2011-09-16 Yes
475-544 NORWALK 6624 2022-01-14 Yes
475-548 MERIDEN 516J 2022-01-27 Yes
475-549 MILFORD 199F 2015-04-23 Yes
475-550 STAMFORD 866H 2022-03-02 Yes
475-555 DIR ASST MULT
475-557 WATERBURY 6388 2018-11-27 Yes
475-558 NEW CANAAN 199F 2015-04-23 Yes
475-559 WATERBURY 6388 2015-09-04 Yes
475-575 RIDGEFIELD 639C 2020-05-13 Yes
475-600 SEYMOUR 639C 2019-07-15 Yes
475-611 XXXXXXXXXX MULT
475-619 STAMFORD 7143 2014-12-23 Yes
475-622 WOLCOTT 516J 2022-01-17 Yes
475-639 REDDING 516J 2022-01-25 Yes
475-644 GEORGETOWN 516J 2022-01-27 Yes
475-655 NEW HAVEN 6624 2015-01-23 Yes
475-666 WESTPORT 539F 2016-04-21 Yes
475-673 NORWALK 516J 2022-01-10 Yes
475-675 SEYMOUR 199F 2013-01-30 Yes
475-678 DANBURY 7143 2025-10-27 Yes
475-685 STAMFORD 6388 2018-08-28 Yes
475-688 MERIDEN 965H 2020-07-21 Yes
475-689 WATERBURY 6388 2014-12-24 Yes
475-700
475-701 NAUGATUCK 539F 2018-09-21 Yes
475-711 XXXXXXXXXX MULT
475-731 ANSONIDRBY 6624 2015-08-10 Yes
475-739 WOLCOTT 539F 2019-03-05 Yes
475-746 STAMFORD 516J 2022-01-07 Yes
475-747 NORWALK 6388 2015-06-04 Yes
475-750 DANBURY 866H 2022-03-02 Yes
475-755 NORWALK 965H 2020-07-22 Yes
475-758 NEW CANAAN 965H 2020-07-22 Yes
475-763 NAUGATUCK 516J 2022-01-18 Yes
475-766 NEW HAVEN 965H 2020-07-22 Yes
475-775 MERIDEN 639C 2016-02-05 Yes
475-777 ANSONIDRBY 539F 2014-10-07 Yes
475-800 NEW HAVEN 639C 2017-09-28 Yes
475-811 XXXXXXXXXX MULT
475-832 WILTON 516J 2022-01-10 Yes
475-837 NEW HAVEN 516J 2020-10-29 Yes
475-850 NORWALK 866H 2022-03-02 Yes
475-867 DANBURY 939H 2022-09-13 Yes
475-877 REDDING 965H 2020-07-22 Yes
475-882 HUNTINGTON 829J 2009-08-07 Yes
475-887 WESTPORT 516J 2022-01-13 Yes
475-888 FAIRFIELD 539F 2014-10-07 Yes
475-889 NORWALK 6388 2018-02-09 Yes
475-897 GREENWICH 612K 2015-06-05 Yes
475-900 GUILFORD 639C 2019-07-15 Yes
475-911 XXXXXXXXXX MULT
475-946 OLDGRNWICH 965H 2020-07-21 Yes
475-950
475-958
475-959
475-976
475-977 STAMFORD 965H 2020-07-22 Yes
475-988 BRIDGEPORT 6624 2015-02-03 Yes

These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.