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.

Ansonia-Derby, CT

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
475-280 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-05-10   
475-280 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-05-10   
475-281 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-281 0 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-281 1 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-04-02   
475-281 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
475-281 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
475-281 4 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-09-21   
475-281 5 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-04-02   
475-281 6 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2021-09-02   
475-281 7 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-02-05   
475-281 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-02-05   
475-281 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-02-05   
475-309 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-309 0 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-12-11   
475-309 1 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-12-11   
475-309 2 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-12-11   
475-309 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-11-13   
475-309 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-11-13   
475-309 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-11-13   
475-309 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-11-13   
475-309 7 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-11-12   
475-309 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-11-12   
475-309 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-11-12   
475-320 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-320 0   515J IP HORIZON LLC 920   2022-07-22   
475-320 1 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-04   
475-320 2 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-03-04   
475-320 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-01-18   
475-320 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-01-18   
475-320 5 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-17   
475-320 6 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-17   
475-320 7 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-17   
475-320 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-17   
475-320 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-17   
475-339 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-339 0 HRFRCT03SMD  939H COMMIO, LLC 920   2022-12-17   
475-339 1 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-02-05   
475-339 2 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-02-05   
475-339 3 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-02-05   
475-339 4 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-02-09   
475-339 5 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-02-09   
475-339 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-02-24   
475-339 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-11   
475-339 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-06-25   
475-339 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-06-25   
475-342 A HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-342 0 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-12   
475-342 1 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-12   
475-342 2 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-12   
475-342 3 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-03-12   
475-342 4 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-05-21   
475-342 5 HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-11   
475-342 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-02-24   
475-342 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-06-26   
475-342 8 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-05-20   
475-342 9 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-09-25   
475-366 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-04-27   
475-366 0 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-05-03   
475-366 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-07-15   
475-366 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-07-15   
475-366 3 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-08-16   
475-366 4 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-09-21   
475-366 5 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-07-07   
475-366 6 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-07-07   
475-366 7 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-07-07   
475-366 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-04-27   
475-366 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-04-27   
475-374 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-10-27   
475-374 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-374 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-374 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-374 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-374 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-374 7 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-10-27   
475-374 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-06-09   
475-374 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-10-27   
475-439 A MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-439 0 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-04-16   
475-439 1 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-11   
475-439 2 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-04-16   
475-439 3 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2018-10-07   
475-439 4 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-09-17   
475-439 5 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-01-16   
475-439 6 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-01-16   
475-439 7 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-28   
475-439 8 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-28   
475-439 9 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-09-19   
475-455 A HRFRCT03XOX  965H FRACTEL, LLC 920      
475-455 0 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-09-18   
475-455 1 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-09-18   
475-455 2 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-10-08   
475-455 3 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-10-08   
475-455 4 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-12-24   
475-455 5 HRFRCT03XOX  965H FRACTEL, LLC 920   2020-09-17   
475-455 6 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-12-24   
475-455 7 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-01-01   
475-455 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-11-06   
475-455 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-11-06   
475-731 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      

<< 1 2 3 4 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.