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: 554

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-554 A Pocasset OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
405-554 0 Pocasset OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-04-16   
405-554 1 Pocasset OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-03-26   
405-554 2 Pocasset OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-04-16   
405-554 3 Pocasset OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-10-30   
405-554 4 Pocasset OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-07-06   
405-554 5 Pocasset OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-10-30   
405-554 6 Pocasset OK OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-28   
405-554 7 Pocasset OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2023-03-05   
405-554 8 Pocasset OK OKCYOKCEXBZ  073H TELNYX LLC 536   2018-10-31   
405-554 9 Pocasset OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-10-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.