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.

Switch: CLBGWVMAX3X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
304-203 A Clarksburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
304-476 A Clarksburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
304-566 A Clarksburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
304-641 A Clarksburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
304-642 A Elkins WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
304-644 A Sutton WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
304-704 A Elkins WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
304-871 A West Union WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
304-940 A Elkins WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
681-753 A Fairmont WV 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 256      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.