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: 919 [Rate centres in NPA 919] [Dial plan for NPA 919]

NXX: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
919-657 A Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 0 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 1 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 2 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 3 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 4 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 5 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 6 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 7 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 8 Cary (Research Triangle Park) NC RLGHNCHO46Z  7796 BUSINESS TELECOM, INC. DBA BTI - NC 426      
919-657 9 Cary (Research Triangle Park) NC RLGHNCHDDS0  350F PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC 426   2015-01-12   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.