Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Soper, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-345 A SOPROKMARS1  9533 SOUTHWESTERN BELL 536      
580-345 0   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-22   
580-345 1   9533 SOUTHWESTERN BELL 536      
580-345 2   9533 SOUTHWESTERN BELL 536      
580-345 3   409F ONVOY, LLC - OK 536   2016-06-15   
580-345 4   409F ONVOY, LLC - OK 536   2016-06-15   
580-345 5   516C AT&T CORP. 536   2011-08-25   
580-345 6   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2019-06-28   
580-345 7   409F ONVOY, LLC - OK 536   2021-03-04   
580-345 8   073H TELNYX LLC 536   2019-09-28   
580-345 9   624H ONVOY SPECTRUM, LLC 536   2025-01-22   

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

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