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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-356 A Del Rio TX SNANTX91X7Y  4290 STPCS JOINT VENTURE, LLC 566      
830-356 0 Del Rio TX   4290 STPCS JOINT VENTURE, LLC 566   2020-07-25   
830-356 1 Del Rio TX   4290 STPCS JOINT VENTURE, LLC 566   2020-07-25   
830-356 2 Del Rio TX   903C ONVOY, LLC - TX 566   2020-08-13   
830-356 3 Del Rio TX   903C ONVOY, LLC - TX 566   2020-08-13   
830-356 4 Del Rio TX   903C ONVOY, LLC - TX 566   2020-08-13   
830-356 5 Del Rio TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2020-10-27   
830-356 6 Del Rio TX   4290 STPCS JOINT VENTURE, LLC 566   2020-11-18   
830-356 7 Del Rio TX   903C ONVOY, LLC - TX 566   2020-11-22   
830-356 8 Del Rio TX   903C ONVOY, LLC - TX 566   2020-11-22   
830-356 9 Del Rio TX   4290 STPCS JOINT VENTURE, LLC 566   2020-07-25   

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

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