Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 563

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-563 A Blair OK BLAROKMARS1  9533 SOUTHWESTERN BELL 536      
580-563 0 Blair OK   409F ONVOY, LLC - OK 536   2016-06-14   
580-563 1 Blair OK   9533 SOUTHWESTERN BELL 536      
580-563 2 Blair OK   9533 SOUTHWESTERN BELL 536      
580-563 4 Blair OK   409F ONVOY, LLC - OK 536   2018-04-30   
580-563 5 Blair OK   516C AT&T CORP. 536   2011-08-25   
580-563 6 Blair OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2011-10-25   
580-563 7 Blair OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2016-03-21   
580-563 8 Blair OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2015-01-09   
580-563 9 Blair OK   9533 SOUTHWESTERN BELL 536      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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