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.

NPA: 551 [Rate centres in NPA 551] [Dial plan for NPA 551]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-366 7 Englewood NJ   145J TERRA NOVA TELECOM INC. 224   2025-07-31   
551-366 8 Englewood NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-03-16   
551-366 9 Englewood NJ PRNYNJFP4MD  4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2023-12-04   
551-367 A Fair Lawn NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224      
551-367 0 Fair Lawn NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-21   
551-367 1 Fair Lawn NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-21   
551-367 2 Fair Lawn NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2024-01-18   
551-367 3 Fair Lawn NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2024-11-04   
551-367 4 Fair Lawn NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2024-09-01   
551-367 5 Fair Lawn NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2024-11-04   
551-367 6 Fair Lawn NJ NBWKNJNBXLY  7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 224   2023-03-07   
551-367 7 Fair Lawn NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2024-09-01   
551-367 8 Fair Lawn NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2023-05-26   
551-367 9 Fair Lawn NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2023-03-30   
551-368 A Hackensack NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224      
551-368 0 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-15   
551-368 1 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 2 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 3 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 4 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 5 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 6 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-02-19   
551-368 7 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-02-19   
551-368 8 Hackensack NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-02-19   
551-368 9 Hackensack NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-02-23   
551-369 A Teaneck NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224      
551-369 0 Teaneck NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2023-03-26   
551-369 1 Teaneck NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2023-03-26   
551-369 2 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-03-27   
551-369 3 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-03-27   
551-369 4 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-21   
551-369 5 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-03-01   
551-369 6 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-03-01   
551-369 7 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-04-06   
551-369 8 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-369 9 Teaneck NJ NWRKNJMDDSM  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2023-03-27   
551-370 A Ridgewood NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224      
551-370 0 Ridgewood NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2019-05-06   
551-370 1 Ridgewood NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2019-05-06   
551-370 2 Ridgewood NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2019-06-07   
551-370 3 Ridgewood NJ JRCYNJ65CMD  145J TERRA NOVA TELECOM INC. 224   2024-08-22   
551-370 4 Ridgewood NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2019-08-11   
551-370 5 Ridgewood NJ JRCYNJ658MD  197D VONAGE AMERICA LLC 224   2020-07-10   
551-370 6 Ridgewood NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2022-02-25   
551-370 7 Ridgewood NJ JRCYNJ658MD  197D VONAGE AMERICA LLC 224   2020-07-10   
551-370 8 Ridgewood NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2019-08-11   
551-370 9 Ridgewood NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2019-03-30   
551-371 A Jersey City NJ NWRKNJMDX4X  732J NUSO, LLC 224      
551-371 0 Jersey City NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2023-08-15   
551-371 1 Jersey City NJ NWRKNJMDX4X  732J NUSO, LLC 224   2023-04-02   
551-371 2 Jersey City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-10-05   
551-371 3 Jersey City NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2023-10-02   
551-371 4 Jersey City NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2023-10-02   
551-371 5 Jersey City NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2023-09-14   
551-371 6 Jersey City NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2023-08-15   
551-371 7 Jersey City NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2023-08-15   
551-371 8 Jersey City NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2023-08-15   
551-371 9 Jersey City NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2023-08-15   
551-372 A Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-372 0 Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-21   
551-372 1 Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-21   
551-372 2 Kearny NJ PRNYNJFP4MD  4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2024-04-22   
551-372 3 Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-06-29   
551-372 4 Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-06-29   
551-372 5 Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-05-05   
551-372 6 Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-05-05   
551-372 7 Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-07-08   
551-372 8 Kearny NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-21   
551-373 A Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-373 0 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-06-30   
551-373 1 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-06-30   
551-373 2 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-06-30   
551-373 3 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-02-19   
551-373 4 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-05-15   
551-373 5 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-05-15   
551-373 6 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-05-15   
551-373 7 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-373 8 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-373 9 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-06-19   
551-374 A Dumont NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-374 0 Dumont NJ JRCYNJ65EMD  490J DISH WIRELESS, LLC 224   2023-07-28   
551-374 1 Dumont NJ JRCYNJ658MD  197D VONAGE AMERICA LLC 224   2023-10-13   
551-374 2 Dumont NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-07-27   
551-374 3 Dumont NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-07-27   
551-374 4 Dumont NJ JRCYNJ658MD  197D VONAGE AMERICA LLC 224   2023-10-13   
551-374 5 Dumont NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-02-29   
551-374 6 Dumont NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2024-01-21   
551-374 7 Dumont NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-02-29   
551-374 8 Dumont NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-21   
551-374 9 Dumont NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2023-08-21   
551-375 A Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224      
551-375 0 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-10-07   
551-375 1 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-10-07   
551-375 2 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-10-07   
551-375 3 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-15   
551-375 4 Union City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-10-15   
551-375 5 Union City NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2023-10-02   
551-375 6 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-08-13   
551-375 7 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-08-13   
551-375 8 Union City NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-08-13   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 >>

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.