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.

Pewaukee, WI

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
262-746 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-21   
262-746 6 MILWWI12XBY  520K TDS METROCOM, LLC 356      
262-746 7 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2015-05-16   
262-746 8 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-21   
262-746 9 MILWWI12XBY  520K TDS METROCOM, LLC 356      
262-956 A WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
262-956 0 MILWWIAUX6Y  073H TELNYX LLC 356   2017-04-24   
262-956 1 MILWWIAUXAY  197D VONAGE AMERICA LLC 356   2023-10-22   
262-956 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-11   
262-956 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2024-07-05   
262-956 4 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-06-26   
262-956 5 MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2021-09-01   
262-956 6 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
262-956 7 MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2014-12-06   
262-956 9 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2024-03-07   

<< 1 2

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.