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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-551 A Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 0 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 1 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 2 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 3 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 4 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 5 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 6 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 7 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 8 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   
551-551 9 Jersey City NJ   637C ONVOY, LLC - NJ 224   2025-10-16   

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

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