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.

Rio, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-614 A MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-614 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-06-03   
920-614 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-07-02   
920-614 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-12   
920-614 5 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-06-26   
920-614 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-08-29   
920-614 7 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2015-01-02   
920-614 9 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2020-02-28   
920-992 A RIO WIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-992 1 FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2022-04-03   
920-992 3 RIO WIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-992 5 RIO WIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-992 6 RIO WIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-992 9 MILWWIAU11Z  490J DISH WIRELESS, LLC 356   2024-01-15   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.