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.

Switch: ENIDOKKI0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-603 A Enid OK 6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      
580-603 0 Enid OK 6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      
580-603 1 Enid OK 6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      
580-603 2 Enid OK 6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      
580-603 3 Enid OK 6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      
580-603 4 Enid OK 6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      
580-603 5 Enid OK 6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536   2010-01-08   
580-603 9 Enid OK 6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.