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: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-391 A Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-04-29   
551-391 0 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-04-29   
551-391 1 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-10-04   
551-391 2 Teaneck NJ   637C ONVOY, LLC - NJ 224   2025-04-13   
551-391 3 Teaneck NJ   637C ONVOY, LLC - NJ 224   2025-04-13   
551-391 4 Teaneck NJ   732J NUSO, LLC 224   2025-08-11   
551-391 7 Teaneck NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2025-05-18   
551-391 8 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-12-14   
551-391 9 Teaneck NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-11-07   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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