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: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 471

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-471 A Altus OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-471 0 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 1 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 2 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 3 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 4 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 5 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 6 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 7 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 8 Altus OK   6272 UNITED STATES CELLULAR - OK 536      
580-471 9 Altus OK   6272 UNITED STATES CELLULAR - OK 536      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.