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]

NXX: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-444 A Fair Lawn NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224      
551-444 0 Fair Lawn NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2013-04-13   
551-444 1 Fair Lawn NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2013-04-13   
551-444 2 Fair Lawn NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2013-12-23   
551-444 3 Fair Lawn NJ PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2013-12-21   
551-444 4 Fair Lawn NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2016-05-01   
551-444 5 Fair Lawn NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2013-12-13   
551-444 6 Fair Lawn NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2014-05-02   
551-444 7 Fair Lawn NJ JRCYNJ67CMD  508J CENTURYLINK COMMUNICATIONS, LLC 224   2014-03-14   
551-444 8 Fair Lawn NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2014-03-23   
551-444 9 Fair Lawn NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2013-11-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.