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.

Grantsburg, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
715-431 A EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-431 0 EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-431 1 EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352   2013-03-14   
715-431 8 EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352   2019-08-15   
715-463 A GRBGWIXARS0  0879 FARMERS INDEPENDENT TEL. CO. 352      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.