Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: MDTWCTNIBMD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-298 9 Bridgeport CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-11-16   
475-302 9 Bridgeport CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-12-31   
475-304 0 Huntington CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-05-21   
475-305 5 Waterbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-12-18   
475-307 0 Meriden CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-02-10   
475-307 8 Meriden CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-10-24   
475-308 0 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-12-07   
475-308 1 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-12-07   
475-308 2 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-12-07   
475-313 5 Waterbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-08-26   
475-316 0 Waterbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-06-18   
475-317 4 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-01-26   
475-317 8 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-03-15   
475-319 9 Bridgeport CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2020-11-09   
475-323 7 Newtown CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2017-10-21   
475-323 8 Newtown CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-02-08   
475-333 9 Stamford CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2017-10-21   
475-334 4 Stamford CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-01-26   
475-337 1 Waterbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-01-28   
475-341 5 Waterbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-12-29   
475-343 2 Meriden CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-02-28   
475-343 7 Meriden CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-18   
475-343 8 Meriden CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-07-18   
475-344 7 Bridgeport CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-344 9 Bridgeport CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-12-11   
475-347 A Meriden CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-02-11   
475-347 9 Meriden CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-02-11   
475-348 A Danbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-348 4 Danbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-07-15   
475-348 9 Danbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2020-05-17   
475-349 2 Bridgeport CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-351 0 Bridgeport CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-03-20   
475-352 8 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-03-23   
475-352 9 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-03-23   
475-354 6 Waterbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-08-03   
475-355 4 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2014-10-02   
475-359 7 Stamford CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-03-18   
475-365 1 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 2 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 3 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 4 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-377 8 Waterbury CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-05-06   
475-393 8 Norwalk CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2017-12-16   
475-414 4 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-10-16   
475-414 5 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-10-16   
475-434 8 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-09-16   
475-439 A Ansonia-Derby CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-439 0 Ansonia-Derby CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-04-16   
475-439 2 Ansonia-Derby CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-04-16   
475-439 4 Ansonia-Derby CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-09-17   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.