Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-346 A Salisbury MD SLBRMDSBY0X  425J CSC WIRELESS, LLC 242      
667-346 0 Salisbury MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2023-06-09   
667-346 2 Salisbury MD   425J CSC WIRELESS, LLC 242   2019-11-29   
667-346 3 Salisbury MD   516J TON80 COMMUNICATIONS, LLC 242   2022-03-26   
667-346 6 Salisbury MD   624H ONVOY SPECTRUM, LLC 242   2022-01-27   
667-346 7 Salisbury MD   624H ONVOY SPECTRUM, LLC 242   2022-01-27   

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

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