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.

Merrill, WI

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
715-804 1 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-15   
715-804 2 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-15   
715-804 3 GNBYWI01OMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 350   2013-03-02   
715-804 4 GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350      
715-804 5 GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2014-10-24   
715-804 6 STPTWI01HMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350   2015-08-28   
715-804 7 MRRLWIXADS0  0886 FRONTIER NORTH INC. - WI 350   2015-08-29   
715-804 8 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2020-05-28   
715-804 9 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-15   
715-805 A GNBYWIEMCM2  9759 METRO SOUTHWEST PCS, LLP 350      

<< 1 2

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.