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: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-254 A Britton OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536      
405-254 0 Britton OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2014-07-13   
405-254 1 Britton OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536      
405-254 2 Britton OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536      
405-254 3 Britton OK OKCYOKCEXXZ  318J COMCAST IP PHONE, LLC 536   2007-12-12   
405-254 4 Britton OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2008-07-25   
405-254 5 Britton OK OKCYOKCEXXZ  318J COMCAST IP PHONE, LLC 536   2008-11-14   
405-254 6 Britton OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2014-07-13   
405-254 7 Britton OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2010-04-19   
405-254 8 Britton OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2010-09-06   
405-254 9 Britton OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.