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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-230 A Englewood NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-230 0 Englewood NJ   073H TELNYX LLC 224   2021-02-15   
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: Thu, 29 Jan 2026 14:35:03 UTC

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