Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-856 A Willow City TX WLCYTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-856 0 Willow City TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-856 2 Willow City TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2006-09-25   
830-856 5 Willow City TX   624H ONVOY SPECTRUM, LLC 566   2021-12-04   
830-856 6 Willow City TX   624H ONVOY SPECTRUM, LLC 566   2021-12-04   
830-856 9 Willow City TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2021-10-27   

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

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