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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-277 A Luther OK LTHROKMARS1  9533 SOUTHWESTERN BELL 536      
405-277 0 Luther OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2008-12-01   
405-277 1 Luther OK LTHROKMARS1  9533 SOUTHWESTERN BELL 536      
405-277 2 Luther OK LTHROKMARS1  9533 SOUTHWESTERN BELL 536      
405-277 3 Luther OK LTHROKMARS1  9533 SOUTHWESTERN BELL 536      
405-277 4 Luther OK   145J TERRA NOVA TELECOM INC. 536   2020-05-14   
405-277 5 Luther OK OKCYOKCEXXY  516C AT&T CORP. 536   2011-02-05   
405-277 7 Luther OK LTHROKMARS1  9533 SOUTHWESTERN BELL 536      
405-277 8 Luther OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2014-06-13   
405-277 9 Luther OK LTHROKMARS1  9533 SOUTHWESTERN BELL 536      

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.