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.

Sheridan, WY

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
307-763 6 CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-763 7 CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-763 8 CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-763 9 CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-998 A   450F ONVOY, LLC - WY 654   2024-08-05   
307-998 0   450F ONVOY, LLC - WY 654      
307-998 1   6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-998 8   6529 T-MOBILE USA, INC. 654      
307-998 9   6529 T-MOBILE USA, INC. 654      

<< 1 2

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.