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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-450 A Holdenville OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536      
405-450 0 Holdenville OK OKCYOKMTAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2021-04-28   
405-450 1 Holdenville OK OKCYOKMTAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2021-04-28   
405-450 2 Holdenville OK OKCYOKMTAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2021-04-28   
405-450 3 Holdenville OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536   2017-08-25   
405-450 4 Holdenville OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2017-08-26   
405-450 5 Holdenville OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2020-07-12   
405-450 6 Holdenville OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2020-07-12   
405-450 7 Holdenville OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2020-12-24   
405-450 8 Holdenville OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2020-12-24   
405-450 9 Holdenville OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2021-05-01   

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.