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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-643 A Fort Cobb OK FTCBOKMARS1  9533 SOUTHWESTERN BELL 536      
405-643 0 Fort Cobb OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536      
405-643 1 Fort Cobb OK FTCBOKMARS1  9533 SOUTHWESTERN BELL 536      
405-643 2 Fort Cobb OK FTCBOKMARS1  9533 SOUTHWESTERN BELL 536      
405-643 3 Fort Cobb OK FTCBOKMARS1  9533 SOUTHWESTERN BELL 536      
405-643 4 Fort Cobb OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-643 5 Fort Cobb OK FTCBOKMARS1  9533 SOUTHWESTERN BELL 536      
405-643 6 Fort Cobb OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-643 7 Fort Cobb OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-643 8 Fort Cobb OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-643 9 Fort Cobb OK FTCBOKMARS1  9533 SOUTHWESTERN BELL 536      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.