NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

BRIDGEPORT prefixes in area code 203

NANPA records 94 assigned NXX blocks to rate center BRIDGEPORT in area code 203, 12.0% of the 784 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 13 holders hold those blocks, the largest being SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT (41), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT (11), OMNIPOINT COMMUNICATIONS, INC. - CT (9). The earliest assignment on record here is 2001-01-30 and the most recent 2013-11-14. 53 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 256, 304, 308, 315 – overlay codes cover the same geography, so a rate center is served by all of them.

94 assigned blocks – 12% of 203
13 holders of record
53 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
203-209 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT – no yes
203-212 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC 2008-10-23 yes yes
203-218 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
203-224 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-243 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT – no yes
203-257 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT – no yes
203-258 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT – no yes
203-260 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
203-275 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-279 Spok SPOK, INC. – no yes
203-290 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT 2013-11-14 yes yes
203-296 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT – yes yes
203-330 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-331 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-332 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-333 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-334 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-335 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-336 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-337 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-338 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-339 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-342 Spok SPOK, INC. – no yes
203-345 Altice CABLEVISION LIGHTPATH, INC. - CT – yes yes
203-360 T-Mobile METROPCS, INC. 2008-12-10 yes yes
203-362 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-365 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-366 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-367 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-368 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-371 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-372 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-373 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-374 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-375 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-377 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-378 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-380 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-381 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-382 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-383 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-384 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-385 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-386 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-394 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-395 T-Mobile METROPCS, INC. – yes yes
203-396 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-414 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
203-416 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-449 T-Mobile METROPCS, INC. – yes yes
203-450 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 2008-05-12 yes yes
203-455 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT – yes yes
203-502 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-520 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 2002-05-30 no yes
203-521 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT – no yes
203-522 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – yes yes
203-526 T-Mobile METROPCS, INC. – yes yes
203-534 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-540 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC 2005-01-31 yes yes
203-543 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT – no yes
203-545 T-Mobile METROPCS, INC. – yes yes
203-549 Windstream PAETEC ITEL, LLC – yes yes
203-551 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CT – yes yes
203-556 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
203-572 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT 2007-07-13 yes yes
203-576 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-579 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-581 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-583 Lumen LEVEL 3 COMMUNICATIONS, LLC - CT – yes yes
203-610 Windstream PAETEC ITEL, LLC – yes yes
203-612 Lumen LEVEL 3 COMMUNICATIONS, LLC - CT – yes yes
203-615 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – yes yes
203-650 T-Mobile METROPCS, INC. 2001-03-26 yes yes
203-666 Lumen LEVEL 3 COMMUNICATIONS, LLC - CT 2013-09-26 yes yes
203-673 AT&T AT&T - LOCAL – yes yes
203-683 Windstream PAETEC ITEL, LLC – yes yes
203-685 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT 2001-03-30 no yes
203-690 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT 2008-03-21 yes yes
203-696 AT&T SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT – no yes
203-726 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 2010-09-08 yes yes
203-727 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT 2001-06-05 yes yes
203-760 Peerless PEERLESS NETWORK OF CONNECTICUT, LLC - CT 2012-04-16 yes yes
203-767 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT – no yes
203-814 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT – yes yes
203-864 T-Mobile METROPCS, INC. 2011-03-07 yes yes
203-870 Altice CABLEVISION LIGHTPATH, INC. - CT – yes yes
203-873 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC 2007-02-07 yes yes
203-908 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT 2006-04-05 yes yes
203-913 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT – no yes
203-916 Lumen LEVEL 3 COMMUNICATIONS, LLC - CT 2001-01-30 yes yes
203-923 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT – yes yes
203-953 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - CT 2001-07-27 yes yes
203-993 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 2006-07-20 yes yes
203-995 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 2008-10-08 yes yes

The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.

Who holds the blocks

HolderBrandBlocksShare here
SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT AT&T 41 43.6%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT Verizon 11 11.7%
OMNIPOINT COMMUNICATIONS, INC. - CT T-Mobile 9 9.6%
NEW CINGULAR WIRELESS PCS, LLC - DC AT&T 8 8.5%
METROPCS, INC. T-Mobile 7 7.4%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT Verizon 4 4.3%
LEVEL 3 COMMUNICATIONS, LLC - CT Lumen 4 4.3%
PAETEC ITEL, LLC Windstream 3 3.2%
SPOK, INC. Spok 2 2.1%
CABLEVISION LIGHTPATH, INC. - CT Altice 2 2.1%
TELEPORT COMMUNICATIONS AMERICA, LLC - CT AT&T 1 1.1%
AT&T - LOCAL AT&T 1 1.1%
PEERLESS NETWORK OF CONNECTICUT, LLC - CT Peerless 1 1.1%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to BRIDGEPORT in area code 203?

94 blocks: 209, 212, 218, 224, 243, 257, 258, 260, 275, 279, 290, 296 and 82 more, all listed in the table above.

Which carriers have numbers in BRIDGEPORT?

SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT (41 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT (11 blocks), OMNIPOINT COMMUNICATIONS, INC. - CT (9 blocks), NEW CINGULAR WIRELESS PCS, LLC - DC (8 blocks), METROPCS, INC. (7 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT (4 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is BRIDGEPORT a city?

It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.

Other rate centers in 203

All 784 prefixes in 203