Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
667-346 2 Salisbury MD SLBRMDSBY0X  425J CSC WIRELESS, LLC 242      
667-346 3 Salisbury MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-346 6 Salisbury MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-346 7 Salisbury MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.