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: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 645

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-645 A Calvin OK CLVNOKMARS1  9533 SOUTHWESTERN BELL 536      
405-645 0 Calvin OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-645 1 Calvin OK CLVNOKMARS1  9533 SOUTHWESTERN BELL 536      
405-645 2 Calvin OK CLVNOKMARS1  9533 SOUTHWESTERN BELL 536      
405-645 3 Calvin OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-645 5 Calvin OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-645 6 Calvin OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-645 7 Calvin OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-645 8 Calvin OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
405-645 9 Calvin OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.