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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-278 A Miami TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-278 0 Miami TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-278 2 Miami TX AMRLTXDRSMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-278 7 Miami TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546      
806-278 8 Miami TX AMRLTX98DS4  0132 AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 546      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.