Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 210 [Rate centres in NPA 210] [Dial plan for NPA 210]

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-321 A San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 0 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 1 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 2 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 3 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 4 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 5 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 6 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 7 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 8 San Antonio TX SNANTXDIDS2  9533 SOUTHWESTERN BELL 566      
210-321 9 San Antonio TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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