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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-255 A Canadian TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-255 0 Canadian TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-255 1 Canadian TX   515J IP HORIZON LLC 546   2021-05-10   
806-255 2 Canadian TX AMRLTX02X9Y  624H ONVOY SPECTRUM, LLC 546   2021-12-08   
806-255 3 Canadian TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-255 4 Canadian TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2022-10-24   
806-255 5 Canadian TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2022-04-23   
806-255 6 Canadian TX   145J TERRA NOVA TELECOM INC. 546   2022-07-05   
806-255 7 Canadian TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2022-09-11   
806-255 8 Canadian TX AMRLTX02X7Y  073H TELNYX LLC 546   2022-03-20   
806-255 9 Canadian TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2018-08-12   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.