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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-243 A Fair Lawn NJ JRCYNJ10CM5  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224      
551-243 0 Fair Lawn NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2015-03-20   
551-243 1 Fair Lawn NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2015-03-20   
551-243 2 Fair Lawn NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2015-03-20   
551-243 3 Fair Lawn NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2016-11-14   
551-243 4 Fair Lawn NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2016-12-09   
551-243 5 Fair Lawn NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2016-02-05   
551-243 6 Fair Lawn NJ   637C ONVOY, LLC NJ 224   2016-02-22   
551-243 7 Fair Lawn NJ   637C ONVOY, LLC NJ 224   2016-02-22   
551-243 8 Fair Lawn NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2016-12-09   
551-243 9 Fair Lawn NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2016-12-09   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.