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.

Sheboygan, WI

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-476 1 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2015-05-10   
920-476 2 PEWTWICI7MD  5562 METROPCS, INC. 356   2014-07-28   
920-476 3 PEWTWICI7MD  5562 METROPCS, INC. 356   2019-04-17   
920-476 4 MILXWIIXDS0  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 356      
920-476 5 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-06-26   
920-476 6 MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2020-12-17   
920-476 7 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-04-13   
920-476 8 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-04-13   
920-476 9 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2017-01-02   
920-547 A MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-547 0 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2013-01-07   
920-547 1 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-11-15   
920-547 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-21   
920-547 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-21   
920-547 4 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-547 5 MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2015-11-27   
920-547 6 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
920-547 7 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
920-547 8 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2019-10-31   
920-547 9 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-11-15   
920-576 A MILWWI12X7X  9748 AMERICAN MESSAGING SERVICES, LLC 356      
920-577 A MILWWI12X7X  9748 AMERICAN MESSAGING SERVICES, LLC 356      
920-627 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-627 0   6274 UNITED STATES CELLULAR - WI 356      
920-627 1   6274 UNITED STATES CELLULAR - WI 356      
920-627 2   6274 UNITED STATES CELLULAR - WI 356      
920-627 3   6274 UNITED STATES CELLULAR - WI 356      
920-627 4   6274 UNITED STATES CELLULAR - WI 356      
920-627 5   6274 UNITED STATES CELLULAR - WI 356      
920-627 6   6274 UNITED STATES CELLULAR - WI 356      
920-627 7   6274 UNITED STATES CELLULAR - WI 356      
920-627 8   6274 UNITED STATES CELLULAR - WI 356      
920-627 9   6274 UNITED STATES CELLULAR - WI 356      
920-694 A MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-694 0 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-694 1 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-694 2 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-694 3 MILWWI12X8Y  829J PAETEC ITEL, LLC 356   2006-08-14   
920-694 4 MILWWI12X8Y  829J PAETEC ITEL, LLC 356   2009-09-09   
920-694 5 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2020-01-10   
920-694 6 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-694 7 MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2014-12-06   
920-694 8 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2020-03-25   
920-694 9 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-11-15   
920-698 A MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-698 0 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-698 1 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-698 2 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-698 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-12-05   
920-698 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-12-05   
920-698 5 MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2022-05-25   
920-698 6 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-698 7 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2011-05-20   
920-698 8 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-05   
920-698 9 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-783 A MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-783 0 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-783 1 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-783 2 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-783 3 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-783 4 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-783 5 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-783 6   792K CHARTER IP ENABLED SERVICES, LLC 356   2007-09-28   
920-783 7 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-783 8 MILWWIHEWMD  516C AT&T CORP. 356   2007-02-22   
920-783 9 MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
920-803 A SHBYWI01DS0  9327 WISCONSIN BELL INC 356      
920-814 A   520K TDS METROCOM, LLC 356      
920-814 0 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-814 1   520K TDS METROCOM, LLC 356   2023-05-14   
920-814 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-814 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-814 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-814 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-814 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-814 7 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-814 8 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-814 9 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-08-14   
920-889 A MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-912 A MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 0 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 1 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 2 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 3 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 4 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 5 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 6 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 7 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 8 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-912 9 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2023-08-19   
920-917 A MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-917 0 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-917 1 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2018-10-15   
920-917 2 PEWTWICI7MD  5562 METROPCS, INC. 356   2011-04-24   
920-917 3 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2010-10-29   
920-917 4 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2009-11-16   
920-917 5 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2010-07-20   
920-917 6 MILXWIILDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356   2007-02-07   
920-917 7 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2008-09-26   
920-917 8 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2009-01-16   

<< 1 2 3 >>

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.