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: 375

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-375 A San Antonio TX SNANTXDIRS0  9533 SOUTHWESTERN BELL 566      
210-375 0 San Antonio TX SNANTXDIRS0  9533 SOUTHWESTERN BELL 566      
210-375 1 San Antonio TX SNANTXDIRS0  9533 SOUTHWESTERN BELL 566      
210-375 2 San Antonio TX SNANTXDIRS0  9533 SOUTHWESTERN BELL 566      
210-375 3 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2004-08-30   
210-375 4 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2004-08-30   
210-375 5 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2004-08-30   
210-375 6 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2004-08-30   
210-375 7 San Antonio TX SNANTXDIRS0  9533 SOUTHWESTERN BELL 566      
210-375 8 San Antonio TX SNANTXDIRS0  9533 SOUTHWESTERN BELL 566      
210-375 9 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2006-04-07   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.