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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-345 A Hasbrouck Heights NJ JRCYNJ65BMD  965H FRACTEL, LLC 224      
551-345 0 Hasbrouck Heights NJ   073H TELNYX LLC 224   2020-06-08   
551-345 1 Hasbrouck Heights NJ   637C ONVOY, LLC - NJ 224   2021-07-15   
551-345 3 Hasbrouck Heights NJ   637C ONVOY, LLC - NJ 224   2024-04-12   
551-345 4 Hasbrouck Heights NJ   637C ONVOY, LLC - NJ 224   2020-08-15   
551-345 5 Hasbrouck Heights NJ   637C ONVOY, LLC - NJ 224   2020-08-15   
551-345 6 Hasbrouck Heights NJ   965H FRACTEL, LLC 224   2020-04-16   
551-345 7 Hasbrouck Heights NJ   197D VONAGE AMERICA LLC 224   2020-07-14   
551-345 8 Hasbrouck Heights NJ   637C ONVOY, LLC - NJ 224   2020-10-19   
551-345 9 Hasbrouck Heights NJ   637C ONVOY, LLC - NJ 224   2020-10-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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