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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-303 A Elk City OK EKCYOKMARS1  9533 SOUTHWESTERN BELL 536      
580-303 0 Elk City OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-303 1 Elk City OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-303 2 Elk City OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-303 3 Elk City OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-303 4 Elk City OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
580-303 5 Elk City OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-303 6 Elk City OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-303 7 Elk City OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
580-303 8 Elk City OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-303 9 Elk City OK EKCYOKMARS1  9533 SOUTHWESTERN BELL 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.