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: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-378 A Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224      
551-378 0 Cliffside NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-08-24   
551-378 1 Cliffside NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2024-10-26   
551-378 2 Cliffside NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2024-10-26   
551-378 8 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-11-24   
551-378 9 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2023-11-24   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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