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: 501

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-501 A Englewood NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-501 0 Englewood NJ   197D VONAGE AMERICA LLC 224   2020-07-27   
551-501 1 Englewood NJ   637C ONVOY, LLC - NJ 224   2020-07-26   
551-501 2 Englewood NJ   637C ONVOY, LLC - NJ 224   2020-07-26   
551-501 3 Englewood NJ   637C ONVOY, LLC - NJ 224   2020-07-26   
551-501 4 Englewood NJ   197D VONAGE AMERICA LLC 224   2020-07-27   
551-501 5 Englewood NJ   637C ONVOY, LLC - NJ 224   2025-01-06   
551-501 6 Englewood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2020-11-28   
551-501 7 Englewood NJ   637C ONVOY, LLC - NJ 224   2025-01-06   
551-501 8 Englewood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2020-11-28   
551-501 9 Englewood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2020-09-12   

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

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