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: 592

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-592 A San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-592 0 San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-592 1 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566      
210-592 2 San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-592 3 San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-592 4 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
210-592 5 San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-592 6 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566      
210-592 7 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566      
210-592 8 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566      
210-592 9 San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.