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: 219

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-219 A Carrizo Springs TX   793K TWC IP ENABLED SERVICES, LLC 566      
830-219 0 Carrizo Springs TX   793K TWC IP ENABLED SERVICES, LLC 566   2016-09-12   
830-219 1 Carrizo Springs TX   903C ONVOY, LLC - TX 566   2018-03-18   
830-219 2 Carrizo Springs TX   903C ONVOY, LLC - TX 566   2019-12-28   
830-219 3 Carrizo Springs TX   903C ONVOY, LLC - TX 566   2019-12-28   
830-219 4 Carrizo Springs TX   903C ONVOY, LLC - TX 566   2020-07-07   
830-219 5 Carrizo Springs TX   903C ONVOY, LLC - TX 566   2020-07-07   
830-219 6 Carrizo Springs TX   516J TON80 COMMUNICATIONS, LLC 566   2021-11-11   
830-219 7 Carrizo Springs TX   508J CENTURYLINK COMMUNICATIONS, LLC 566   2016-11-23   
830-219 8 Carrizo Springs TX   624H ONVOY SPECTRUM, LLC 566   2021-06-24   
830-219 9 Carrizo Springs TX   6529 T-MOBILE USA, INC. 566   2021-03-15   

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

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