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.

Mazomanie, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-401 A FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      
608-401 0 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-401 1 FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      
608-401 2 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-401 3 MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      
608-401 4 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-401 6 MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      
608-401 7 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-401 8 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-401 9 MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      
608-795 A MAZOWI11RS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 354      
608-795 0 MAZOWI11RS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 354      
608-795 1 MAZOWI11RS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 354      
608-795 2 MAZOWI11RS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 354      
608-795 3 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-795 4 MAZOWI11RS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 354      
608-795 5 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-795 6 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354      
608-795 7 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-795 9 MAZOWI11RS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 354      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.