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.

OCN: 450F ONVOY, LLC - WY

<< 1 2 3 4 5 6 7

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-990 5 Lander WY   654      
307-990 8 Lander WY CHYNWYMAX2X  654      
307-990 9 Lander WY CHYNWYMAX2X  654      
307-996 A Cheyenne WY CHYNWYMAX2X  654      
307-996 5 Cheyenne WY CHYNWYMAX2X  654      
307-998 A Sheridan WY   654   2024-08-05   
307-998 0 Sheridan WY   654      
307-999 0 Moran WY CHYNWYMAX2X  654      
307-999 1 Moran WY CHYNWYMAX2X  654      
307-999 2 Moran WY CHYNWYMAX2X  654      
307-999 3 Moran WY CHYNWYMAX2X  654      
307-999 6 Moran WY CHYNWYMAX2X  654      
307-999 7 Moran WY CHYNWYMAX2X  654      
307-999 8 Moran WY CHYNWYMAX2X  654      

<< 1 2 3 4 5 6 7

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.