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: 368

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-368 A Hackensack NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224      
551-368 0 Hackensack NJ   637C ONVOY, LLC - NJ 224   2023-10-15   
551-368 1 Hackensack NJ   637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 2 Hackensack NJ   637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 3 Hackensack NJ   637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 4 Hackensack NJ   637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 5 Hackensack NJ   637C ONVOY, LLC - NJ 224   2023-06-19   
551-368 6 Hackensack NJ   637C ONVOY, LLC - NJ 224   2024-02-19   
551-368 7 Hackensack NJ   637C ONVOY, LLC - NJ 224   2024-02-19   
551-368 8 Hackensack NJ   637C ONVOY, LLC - NJ 224   2024-02-19   
551-368 9 Hackensack NJ   6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-02-23   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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