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.

Green Bay, WI

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-593 2   520K TDS METROCOM, LLC 350   2005-01-26   
920-593 3   520K TDS METROCOM, LLC 350   2005-10-16   
920-593 4   520K TDS METROCOM, LLC 350   2007-07-21   
920-593 5   520K TDS METROCOM, LLC 350   2005-10-16   
920-593 6   520K TDS METROCOM, LLC 350   2007-07-21   
920-593 7   520K TDS METROCOM, LLC 350   2010-07-12   
920-593 8   520K TDS METROCOM, LLC 350   2003-11-16   
920-593 9 GNBYWI01OMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 350   2003-09-05   
920-600 A GNBYWI01VMD  225C ONVOY, LLC - WI 350      
920-600 0 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2016-01-15   
920-600 1 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2016-06-25   
920-600 2 GNBYWI01ZMD  829J PAETEC ITEL, LLC 350   2016-04-28   
920-600 3 GNBYWI01ZMD  829J PAETEC ITEL, LLC 350   2016-04-28   
920-600 4 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2016-06-25   
920-600 5 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2016-06-25   
920-600 6 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2016-01-15   
920-600 7 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2016-06-25   
920-600 8 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2016-05-04   
920-600 9 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2016-05-04   
920-606 A GNBYWIEMCM5  6692 NEW CELL DBA CELLCOM 350      
920-609 A GNBYWIEMCM5  6692 NEW CELL DBA CELLCOM 350      
920-610 A GNBYWI01ZMD  829J PAETEC ITEL, LLC 350      
920-610 0 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2022-09-01   
920-610 1 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2023-08-10   
920-610 2 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2022-12-29   
920-610 3 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2022-12-29   
920-610 5 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2023-07-09   
920-610 7 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2023-07-09   
920-610 8 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2023-07-09   
920-610 9   007F BANDWIDTH.COM CLEC, LLC - WI 350   2025-02-06   
920-613 A GNBYWIEMCM5  6692 NEW CELL DBA CELLCOM 350      
920-615 A GNBYWIEMCM5  6692 NEW CELL DBA CELLCOM 350      
920-617 A GNBYWIEMDS1  6183 NET LEC, INC. 350      
920-619 A GNBYWIEMCM5  6692 NEW CELL DBA CELLCOM 350      
920-621 A GNBYWIEMCM5  6692 NEW CELL DBA CELLCOM 350      
920-634 A   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350      
920-634 0 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2019-11-08   
920-634 1 APPLWI01XEX  5562 METROPCS, INC. 350   2011-03-28   
920-634 2 GNBYWIATVMD  516C AT&T CORP. 350   2013-11-04   
920-634 3   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350      
920-634 4 APPLWI01XEX  5562 METROPCS, INC. 350   2011-03-28   
920-634 5 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2008-05-22   
920-634 6 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2008-05-22   
920-634 7 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2008-05-22   
920-634 8 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2008-04-04   
920-634 9 GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2008-04-04   
920-639 A GNBYWIEMCM5  6692 NEW CELL DBA CELLCOM 350      
920-641 A GNBYWI01X2Y  841H PENINSULA FIBER NETWORK, LLC - WI 350      
920-641 0 GNBYWI01X2Y  841H PENINSULA FIBER NETWORK, LLC - WI 350   2021-09-30   
920-641 1 GNBYWI01XHX  624H ONVOY SPECTRUM, LLC 350   2021-11-14   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.