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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-230 A Englewood NJ   637C ONVOY, LLC NJ 224   2018-04-14   
551-230 0 Englewood NJ   7142 TELEPORT COMMUNICATIONS GROUP - NEW YORK - NJ 224   2020-01-08   
551-230 1 Englewood NJ   637C ONVOY, LLC NJ 224   2018-04-14   
551-230 2 Englewood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2018-10-08   
551-230 3 Englewood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2018-10-18   
551-230 4 Englewood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2018-10-18   
551-230 5 Englewood NJ   999H BLUEBIRD COMMUNICATIONS, LLC - NJ 224   2018-09-19   
551-230 6 Englewood NJ   637C ONVOY, LLC NJ 224   2019-04-19   
551-230 7 Englewood NJ   637C ONVOY, LLC NJ 224   2019-04-19   
551-230 8 Englewood NJ   637C ONVOY, LLC NJ 224   2019-04-19   
551-230 9 Englewood NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2020-02-22   

Last updated: Sun, 31 May 2020 11:59:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.