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.

Ladysmith, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
534-233 A EUCLWI01X4Y  624H ONVOY SPECTRUM, LLC 352   2024-05-30   
534-233 0   624H ONVOY SPECTRUM, LLC 352   2024-05-30   
534-233 3   145J TERRA NOVA TELECOM INC. 352   2025-07-24   
715-403 A EUCLWIAT8MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352      
715-403 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352      
715-403 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352      
715-403 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352   2011-01-29   
715-403 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352   2004-09-02   
715-403 4   225C ONVOY, LLC - WI 352   2021-03-29   
715-403 5   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352   2005-02-26   
715-403 6   007F BANDWIDTH.COM CLEC, LLC - WI 352   2008-11-22   
715-403 7   225C ONVOY, LLC - WI 352   2021-03-29   
715-403 8   225C ONVOY, LLC - WI 352   2020-06-15   
715-403 9   225C ONVOY, LLC - WI 352   2020-06-15   
715-415 A EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 0   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 1   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 2   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 3   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 4   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 5   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 7   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-415 8   225C ONVOY, LLC - WI 352   2020-03-23   
715-415 9   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-532 A LDYSWI11RS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 0   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 1   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 2   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 3   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 4   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 5   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 6   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 7   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-532 8   7998 CTC TELCOM, INC. 352   2009-05-17   
715-532 9   0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 352      
715-609 A EUCLWI01XOX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-609 0   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      
715-609 1   792K CHARTER IP ENABLED SERVICES, LLC 352   2011-05-10   
715-609 2   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352   2013-04-04   
715-609 3   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 352   2019-11-20   
715-609 4   129J NTERA, LLC - WI 352   2019-12-06   
715-609 5   225C ONVOY, LLC - WI 352   2020-03-23   
715-609 6   225C ONVOY, LLC - WI 352   2019-01-18   
715-609 7   225C ONVOY, LLC - WI 352   2023-08-14   
715-609 8   8615 NORVADO, INC. 352   2019-06-08   
715-609 9   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 352      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.