Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Christine EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-264 A CHRSTXCHRS0  9533 SOUTHWESTERN BELL 566      
830-264 0   939H COMMIO, LLC 566   2024-01-19   
830-264 1   903C ONVOY, LLC - TX 566   2015-08-08   
830-264 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2006-04-09   
830-264 3   9533 SOUTHWESTERN BELL 566      
830-264 4   939H COMMIO, LLC 566   2024-01-19   
830-264 5   903C ONVOY, LLC - TX 566   2016-03-14   
830-264 6   903C ONVOY, LLC - TX 566   2016-03-14   
830-264 7   903C ONVOY, LLC - TX 566   2016-04-22   
830-264 8   903C ONVOY, LLC - TX 566   2016-04-22   
830-264 9   177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2013-10-06   

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

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