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.

Valders, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-775 A VLDRWIXARP0  0914 EASTCOAST TELECOM, INC. 356      
920-775 0 VLDRWIXARP0  0914 EASTCOAST TELECOM, INC. 356      
920-775 1 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-06-27   
920-775 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-06-03   
920-775 3 VLDRWIXARP0  0914 EASTCOAST TELECOM, INC. 356      
920-775 4 VLDRWIXARP0  0914 EASTCOAST TELECOM, INC. 356      
920-775 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-06-03   
920-775 7 VLDRWIXARP0  0914 EASTCOAST TELECOM, INC. 356      
920-775 9 VLDRWIXARP0  0914 EASTCOAST TELECOM, INC. 356      
920-953 A MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356      
920-953 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-12   
920-953 4 MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2007-06-20   
920-953 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-01-06   
920-953 6 MILWWI45XIX  318J COMCAST IP PHONE, LLC 356   2022-09-16   
920-953 7 MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2017-10-25   
920-953 8 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2022-05-03   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.