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: 395

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-395 A Laramie WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-395 0 Laramie WY   081F BANDWIDTH.COM CLEC, LLC - WY 654   2021-10-10   
307-395 1 Laramie WY   939H COMMIO, LLC 654   2022-07-29   
307-395 2 Laramie WY   081F BANDWIDTH.COM CLEC, LLC - WY 654   2022-09-17   
307-395 3 Laramie WY   081F BANDWIDTH.COM CLEC, LLC - WY 654   2022-10-03   
307-395 4 Laramie WY   450F ONVOY, LLC - WY 654   2022-01-02   
307-395 5 Laramie WY   450F ONVOY, LLC - WY 654   2022-01-02   
307-395 6 Laramie WY   081F BANDWIDTH.COM CLEC, LLC - WY 654   2022-10-16   
307-395 7 Laramie WY   081F BANDWIDTH.COM CLEC, LLC - WY 654   2022-10-22   
307-395 8 Laramie WY   450F ONVOY, LLC - WY 654   2023-07-23   
307-395 9 Laramie WY   450F ONVOY, LLC - WY 654   2025-02-02   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.