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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-997 A Jersey City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-11-17   
551-997 0 Jersey City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-11-17   
551-997 1 Jersey City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-11-17   
551-997 2 Jersey City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-11-17   
551-997 3 Jersey City NJ JRCYNJBRKMD  732J NUSO, LLC 224   2024-12-01   
551-997 4 Jersey City NJ JRCYNJBRKMD  732J NUSO, LLC 224   2024-12-01   
551-997 5 Jersey City NJ JRCYNJBRKMD  732J NUSO, LLC 224   2024-12-01   
551-997 6 Jersey City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-12-14   
551-997 7 Jersey City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-12-14   
551-997 8 Jersey City NJ RCPKNJ02GT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2024-11-18   
551-997 9 Jersey City NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-11-18   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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