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: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-667 A Rawlins WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-667 0 Rawlins WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-07-11   
307-667 1 Rawlins WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-07-11   
307-667 2 Rawlins WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-01-08   
307-667 3 Rawlins WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-03-02   
307-667 4 Rawlins WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-04-05   
307-667 5 Rawlins WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-08   
307-667 6 Rawlins WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-04-30   
307-667 7 Rawlins WY   624H ONVOY SPECTRUM, LLC 654   2021-04-30   
307-667 8 Rawlins WY CHYNWYRF2MD  939H COMMIO, LLC 654   2021-11-28   
307-667 9 Rawlins WY CHYNWYRF2MD  939H COMMIO, LLC 654   2021-11-28   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.