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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-431 A Jersey City NJ   4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2025-12-11   
551-431 0 Jersey City NJ   4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2025-12-11   
551-431 8 Jersey City NJ   637C ONVOY, LLC - NJ 224   2026-03-15   
551-431 9 Jersey City NJ   637C ONVOY, LLC - NJ 224   2026-04-11   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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