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: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-646 A Cleveland WI MILWWIDKCM1  6692 NEW CELL DBA CELLCOM 356      
920-646 0 Cleveland WI MILWWIDKCM1  6692 NEW CELL DBA CELLCOM 356      
920-646 1 Cleveland WI MILWWIDKCM1  6692 NEW CELL DBA CELLCOM 356      
920-646 2 Cleveland WI MILWWIDKCM1  6692 NEW CELL DBA CELLCOM 356      
920-646 3 Cleveland WI MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2010-12-03   
920-646 4 Cleveland WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-06-25   
920-646 6 Cleveland WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2019-09-13   
920-646 7 Cleveland WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-07-26   
920-646 9 Cleveland WI MILWWIDKCM1  6692 NEW CELL DBA CELLCOM 356      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.