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: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-378 A Atoka OK ATOKOKMARL1  9533 SOUTHWESTERN BELL 536      
580-378 0 Atoka OK ATOKOKMARL1  9533 SOUTHWESTERN BELL 536      
580-378 2 Atoka OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2006-07-13   
580-378 4 Atoka OK OKCYOKCE04Z  516J TON80 COMMUNICATIONS, LLC 536   2022-04-21   
580-378 7 Atoka OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-03-04   
580-378 8 Atoka OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-03-04   

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.