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: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-571 A Woodward OK WDWROKMARS0  9533 SOUTHWESTERN BELL 536      
580-571 0 Woodward OK WDWROKMARS0  9533 SOUTHWESTERN BELL 536      
580-571 1 Woodward OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-571 2 Woodward OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-571 3 Woodward OK WDWROKMARS0  9533 SOUTHWESTERN BELL 536      
580-571 4 Woodward OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-571 5 Woodward OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-571 6 Woodward OK WDWROKMARS0  9533 SOUTHWESTERN BELL 536      
580-571 7 Woodward OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-571 8 Woodward OK WDWROKMARS0  9533 SOUTHWESTERN BELL 536      
580-571 9 Woodward OK WDWROKMARS0  9533 SOUTHWESTERN BELL 536      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.