Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 210 [Rate centres in NPA 210] [Dial plan for NPA 210]

NXX: 229

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-229 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 0 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 1 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 2 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 3 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 4 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 5 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 6 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 7 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 8 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-02-07   
210-229 9 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.