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: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-663 A Devine TX DEVNTXDVDS0  9533 SOUTHWESTERN BELL 566      
830-663 0 Devine TX   624H ONVOY SPECTRUM, LLC 566   2021-12-10   
830-663 1 Devine TX   9533 SOUTHWESTERN BELL 566      
830-663 2 Devine TX   9533 SOUTHWESTERN BELL 566      
830-663 3 Devine TX   9533 SOUTHWESTERN BELL 566      
830-663 4 Devine TX   9533 SOUTHWESTERN BELL 566      
830-663 5 Devine TX   9533 SOUTHWESTERN BELL 566      
830-663 6 Devine TX   9533 SOUTHWESTERN BELL 566      
830-663 7 Devine TX   516J TON80 COMMUNICATIONS, LLC 566   2021-09-23   
830-663 8 Devine TX   516C AT&T CORP. 566   2011-03-31   
830-663 9 Devine TX   9533 SOUTHWESTERN BELL 566      

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

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