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: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-346 A Closter NJ   6623 OMNIPOINT COMMUNICATIONS, INC. - NJ DBA T-MOBILE USA 224   2022-04-01   
551-346 3 Closter NJ   516J TON80 COMMUNICATIONS LLC 224   2022-04-02   
551-346 9 Closter NJ   6623 OMNIPOINT COMMUNICATIONS, INC. - NJ DBA T-MOBILE USA 224   2022-04-01   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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