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: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-640 A Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-640 0 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-640 1 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-640 2 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-640 3 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-640 4 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-640 5 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-640 6 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2008-04-02   
304-640 7 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-640 8 Mount Hope WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.