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: 876

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-876 A Carrizo Springs TX CRSPTXCSDS0  9533 SOUTHWESTERN BELL 566      
830-876 0 Carrizo Springs TX   9533 SOUTHWESTERN BELL 566      
830-876 1 Carrizo Springs TX   9533 SOUTHWESTERN BELL 566      
830-876 2 Carrizo Springs TX   9533 SOUTHWESTERN BELL 566      
830-876 3 Carrizo Springs TX   9533 SOUTHWESTERN BELL 566      
830-876 4 Carrizo Springs TX   9533 SOUTHWESTERN BELL 566      
830-876 5 Carrizo Springs TX   9533 SOUTHWESTERN BELL 566      
830-876 6 Carrizo Springs TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-876 7 Carrizo Springs TX   9533 SOUTHWESTERN BELL 566      
830-876 8 Carrizo Springs TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-876 9 Carrizo Springs TX   9533 SOUTHWESTERN BELL 566      

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

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