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.

Portage, WI

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-810 2 MDSNWI11X3Y  6529 T-MOBILE USA, INC. 354   2022-05-13   
608-810 3   225C ONVOY, LLC - WI 354   2024-04-05   
608-810 4 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2022-01-11   
608-810 5 DGVLWIXARMD  225C ONVOY, LLC - WI 354   2023-10-28   
608-810 6 DGVLWIXARMD  225C ONVOY, LLC - WI 354   2023-10-28   
608-810 7 DGVLWIXARMD  225C ONVOY, LLC - WI 354   2023-10-28   
608-810 8 DGVLWIXARMD  225C ONVOY, LLC - WI 354   2023-10-28   
608-810 9 DGVLWIXARMD  225C ONVOY, LLC - WI 354   2023-10-28   

<< 1 2

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.