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: 656

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-656 A Binger OK BNGROKMARS1  9533 SOUTHWESTERN BELL 536      
405-656 0 Binger OK   119F BANDWIDTH.COM CLEC, LLC - OK 536   2015-05-08   
405-656 1 Binger OK   9533 SOUTHWESTERN BELL 536      
405-656 2 Binger OK   9533 SOUTHWESTERN BELL 536      
405-656 3 Binger OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-18   
405-656 4 Binger OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2025-09-14   
405-656 5 Binger OK   409F ONVOY, LLC - OK 536   2018-04-21   
405-656 6 Binger OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2013-10-01   
405-656 7 Binger OK   119F BANDWIDTH.COM CLEC, LLC - OK 536   2021-02-06   
405-656 8 Binger OK   073H TELNYX LLC 536   2019-01-21   
405-656 9 Binger OK   9533 SOUTHWESTERN BELL 536      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.