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: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-277 A Clarendon TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-277 0 Clarendon TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-277 6 Clarendon TX AMRLTXDRWMD  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 546      
806-277 7 Clarendon TX AMRLTX02XAY  965H FRACTEL, LLC 546      
806-277 9 Clarendon TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.