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: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-588 A Ramsey NJ JRCYNJ65DMD  516J TON80 COMMUNICATIONS, LLC 224      
551-588 0 Ramsey NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224      
551-588 1 Ramsey NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224      
551-588 2 Ramsey NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224      
551-588 3 Ramsey NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-588 4 Ramsey NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-588 5 Ramsey NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-588 6 Ramsey NJ RCPKNJ02GT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      
551-588 7 Ramsey NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224      
551-588 8 Ramsey NJ JRCYNJ65DMD  516J TON80 COMMUNICATIONS, LLC 224      
551-588 9 Ramsey NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.