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.

OCN: 807C INTRADO COMMUNICATIONS LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
205-963 A Birmingham AL BRHMALMTYUX  476      
205-963 0 Birmingham AL BRHMALMTYUX  476   2020-05-22   
205-963 1 Birmingham AL BRHMALMTYUX  476   2020-05-22   
205-963 8 Birmingham AL BRHMALMTYUX  476   2020-05-22   
205-963 9 Birmingham AL BRHMALMTYUX  476   2020-05-22   
251-319 A Mobile AL MOBLALAZ20Z  480      
251-319 0 Mobile AL MOBLALAZ20Z  480   2020-05-22   
251-319 1 Mobile AL MOBLALAZ20Z  480   2020-05-22   
251-319 8 Mobile AL MOBLALAZ20Z  480   2020-05-22   
251-319 9 Mobile AL MOBLALAZ20Z  480   2020-05-22   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.