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: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-575 A Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 0 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 1 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 2 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 3 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 4 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 5 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 6 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 7 Torrington WY GDISNENWXBX  6874 N.E. COLORADO CELLULAR, INC. 646      
307-575 8 Torrington WY SCTSNEXUIMD  6010 NEW CINGULAR WIRELESS PCS, LLC 646      
307-575 9 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.