Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
918-480 7   409F ONVOY, LLC - OK 538   2016-03-28   
918-480 8   409F ONVOY, LLC - OK 538   2016-03-28   
918-480 9   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2016-03-04   
918-517 A TULUOKBRCMD  7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538   2024-01-11   
918-517 0   7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-517 1   7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-517 2   409F ONVOY, LLC - OK 538   2021-03-04   
918-517 3   7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-517 4   7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-517 5   073H TELNYX LLC 538   2018-09-25   
918-517 6   119F BANDWIDTH.COM CLEC, LLC - OK 538   2018-06-03   
918-517 7   7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-517 8   409F ONVOY, LLC - OK 538   2018-04-09   
918-517 9   7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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