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: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-313 A Cliffside NJ RCPKNJ02XIY  793K TWC IP ENABLED SERVICES, LLC 224      
551-313 0 Cliffside NJ RCPKNJ02XIY  793K TWC IP ENABLED SERVICES, LLC 224   2014-12-15   
551-313 1 Cliffside NJ PRNYNJFP4MD  4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2023-12-27   
551-313 2 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2015-10-03   
551-313 3 Cliffside NJ WAYNNJAWCMS  5562 METROPCS, INC. 224   2014-12-26   
551-313 4 Cliffside NJ NWRKNJMDDSM  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2015-12-03   
551-313 5 Cliffside NJ WAYNNJAWCMS  5562 METROPCS, INC. 224   2014-12-26   
551-313 6 Cliffside NJ WAYNNJAWCMS  5562 METROPCS, INC. 224   2014-12-26   
551-313 7 Cliffside NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2015-01-19   
551-313 8 Cliffside NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2015-01-12   
551-313 9 Cliffside NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2015-01-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.