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: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 703

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-703 A Boulder Creek CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
831-703 0 Boulder Creek CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
831-703 1 Boulder Creek CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
831-703 2 Boulder Creek CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
831-703 3 Boulder Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-703 4 Boulder Creek CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
831-703 5 Boulder Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-703 6 Boulder Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-703 7 Boulder Creek CA SNJUCACL3MD  073H TELNYX LLC 722      
831-703 8 Boulder Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-703 9 Boulder Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.