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.

NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-717 A Manitowoc WI MILWWI45XIX  318J COMCAST IP PHONE, LLC 356      
920-717 0 Manitowoc WI MILWWI45XIX  318J COMCAST IP PHONE, LLC 356   2014-04-11   
920-717 1 Manitowoc WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2015-05-17   
920-717 2 Manitowoc WI MILWWIDKCM1  6692 NEW CELL DBA CELLCOM 356   2017-06-23   
920-717 3 Manitowoc WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-23   
920-717 4 Manitowoc WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-23   
920-717 5 Manitowoc WI MILWWI45XIX  318J COMCAST IP PHONE, LLC 356   2020-12-28   
920-717 6 Manitowoc WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   
920-717 7 Manitowoc WI MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2014-12-06   
920-717 8 Manitowoc WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2017-05-13   
920-717 9 Manitowoc WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.