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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-221 A Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 0 Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 1 Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 2 Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 3 Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 4 Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 5 Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 6 Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 7 Holdenville OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
405-221 8 Holdenville OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-27   
405-221 9 Holdenville OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-27   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.