Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 551 [Rate centres in NPA 551] [Dial plan for NPA 551]

NXX: 249

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-249 A Park Ridge NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-249 0 Park Ridge NJ   637C ONVOY, LLC - NJ 224   2016-10-30   
551-249 1 Park Ridge NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2016-12-12   
551-249 2 Park Ridge NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2017-02-28   
551-249 3 Park Ridge NJ   073H TELNYX LLC 224   2017-05-03   
551-249 4 Park Ridge NJ   7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 224   2018-08-01   
551-249 5 Park Ridge NJ   7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 224   2018-04-16   
551-249 6 Park Ridge NJ   637C ONVOY, LLC - NJ 224   2016-08-10   
551-249 7 Park Ridge NJ   637C ONVOY, LLC - NJ 224   2016-08-10   
551-249 8 Park Ridge NJ   637C ONVOY, LLC - NJ 224   2016-08-10   
551-249 9 Park Ridge NJ   637C ONVOY, LLC - NJ 224   2016-08-10   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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