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: 319

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-319 A Wyckoff NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-319 0 Wyckoff NJ   6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2018-04-17   
551-319 1 Wyckoff NJ   637C ONVOY, LLC - NJ 224   2018-04-16   
551-319 2 Wyckoff NJ   612K CSC VOICE, LLC 224   2018-12-03   
551-319 3 Wyckoff NJ   999H BLUEBIRD COMMUNICATIONS, LLC - NJ 224   2018-09-19   
551-319 4 Wyckoff NJ   637C ONVOY, LLC - NJ 224   2019-05-06   
551-319 5 Wyckoff NJ   637C ONVOY, LLC - NJ 224   2019-05-06   
551-319 6 Wyckoff NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2020-04-19   
551-319 7 Wyckoff NJ   197D VONAGE AMERICA LLC 224   2020-07-10   
551-319 8 Wyckoff NJ   6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2018-04-17   
551-319 9 Wyckoff NJ   145J TERRA NOVA TELECOM INC. 224   2024-10-07   

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

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