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: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 288

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-288 A Evanston WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-288 0 Evanston WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2008-11-29   
307-288 1 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2012-12-17   
307-288 2 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2012-12-17   
307-288 3 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-08-09   
307-288 4 Evanston WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2020-08-27   
307-288 5 Evanston WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2005-02-26   
307-288 6 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-03-02   
307-288 7 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2006-11-05   
307-288 8 Evanston WY   145J TERRA NOVA TELECOM INC. 654   2020-10-19   
307-288 9 Evanston WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654   2018-02-26   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.