Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-204 A   409F ONVOY, LLC - OK 536      
580-204 0   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-18   
580-204 4   409F ONVOY, LLC - OK 536   2016-06-14   
580-204 6   530C TELEPORT COMMUNICATIONS AMERICA - OK- LLC 536   2017-10-20   
580-566 A BSWLOKMARS1  9533 SOUTHWESTERN BELL 536      
580-566 1   9533 SOUTHWESTERN BELL 536      
580-566 2   9533 SOUTHWESTERN BELL 536      
580-566 5   390B DOBSON TECHNOLOGIES-TRANSPORT & TELECOM SOL - OK 536   2017-08-21   
580-566 6   409F ONVOY, LLC - OK 536   2018-04-30   
580-566 8   4630 CHICKASAW TELECOMMUNICATIONS SERVICES, INC. 536   2004-02-25   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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