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: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-488 A San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
210-488 0 San Antonio TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566   2005-03-25   
210-488 1 San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2002-11-30   
210-488 2 San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2002-11-30   
210-488 3 San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2002-11-30   
210-488 4 San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2002-11-30   
210-488 5 San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2002-11-30   
210-488 6 San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2002-11-30   
210-488 7 San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2002-11-30   
210-488 8 San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2002-11-30   
210-488 9 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2002-06-17   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.