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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-306 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-306 0 San Antonio TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566   2011-10-14   
210-306 1 San Antonio TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566   2011-10-14   
210-306 2 San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566   2011-12-11   
210-306 3 San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566   2011-09-30   
210-306 4 San Antonio TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2012-08-23   
210-306 5 San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566   2011-10-03   
210-306 6 San Antonio TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566   2011-10-14   
210-306 7 San Antonio TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566   2011-10-14   
210-306 8 San Antonio TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566   2011-10-14   
210-306 9 San Antonio TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566   2011-10-14   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.