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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-340 4 Chilton WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2011-02-14   
920-340 5 Chilton WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356   2018-10-15   
920-340 6 Chilton WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-03-22   
920-340 7 Chilton WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-03-22   
920-340 8 Chilton WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-01   
920-340 9 Chilton WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-01   
920-341 A Clyman WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-341 0 Clyman WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-341 1 Clyman WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   
920-341 2 Clyman WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2008-10-08   
920-341 3 Clyman WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2010-09-27   
920-341 4 Clyman WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-16   
920-341 5 Clyman WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-18   
920-341 6 Clyman WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-06-19   
920-341 7 Clyman WI MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2014-12-31   
920-341 8 Clyman WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-04-12   
920-341 9 Clyman WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-342 A Watertown WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-343 A De Pere WI DEPRWI11DS0  9327 WISCONSIN BELL INC 350      
920-343 0 De Pere WI DEPRWI11DS0  9327 WISCONSIN BELL INC 350   2009-11-11   
920-343 1 De Pere WI DEPRWI11DS0  9327 WISCONSIN BELL INC 350   2009-11-11   
920-343 2 De Pere WI STPTWI01HMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350   2017-03-10   
920-343 3 De Pere WI DEPRWI11DS0  9327 WISCONSIN BELL INC 350   2016-01-22   
920-343 4 De Pere WI STPTWI01HMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350   2016-03-21   
920-343 5 De Pere WI DEPRWI11DS0  9327 WISCONSIN BELL INC 350   2016-01-22   
920-343 6 De Pere WI APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350   2011-06-16   
920-343 7 De Pere WI DEPRWI11DS0  9327 WISCONSIN BELL INC 350   2016-01-22   
920-343 8 De Pere WI DEPRWI11DS0  9327 WISCONSIN BELL INC 350   2016-01-22   
920-343 9 De Pere WI GNBYWIEL2MD  073H TELNYX LLC 350   2017-06-05   
920-344 A Beaver Dam WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-345 A Waupun WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-345 0 Waupun WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-01   
920-345 1 Waupun WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2007-05-11   
920-345 2 Waupun WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2010-03-04   
920-345 3 Waupun WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
920-345 4 Waupun WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-01   
920-345 5 Waupun WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
920-345 6 Waupun WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-345 7 Waupun WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-06-20   
920-345 8 Waupun WI MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2014-12-31   
920-345 9 Waupun WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-346 A Brandon WI BRNDWIXBRS0  0877 BRIGHTSPEED OF EASTERN WISCONSIN, LLC 356      
920-346 1 Brandon WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-346 2 Brandon WI BRNDWIXBRS0  0877 BRIGHTSPEED OF EASTERN WISCONSIN, LLC 356      
920-346 3 Brandon WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-09-03   
920-346 4 Brandon WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-09-03   
920-346 5 Brandon WI BRNDWIXBRS0  0877 BRIGHTSPEED OF EASTERN WISCONSIN, LLC 356      
920-346 8 Brandon WI BRNDWIXBRS0  0877 BRIGHTSPEED OF EASTERN WISCONSIN, LLC 356      
920-347 A De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-347 0 De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-347 1 De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-347 2 De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-347 3 De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-347 4 De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-347 5 De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350   2007-10-14   
920-347 6 De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350   2013-10-31   
920-347 7 De Pere WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2016-03-30   
920-347 8 De Pere WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2016-03-30   
920-347 9 De Pere WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-348 A Cambria WI CMBAWIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-348 0 Cambria WI   6529 T-MOBILE USA, INC. 356   2025-02-15   
920-348 1 Cambria WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2022-08-28   
920-348 2 Cambria WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-06-25   
920-348 3 Cambria WI NWBLWICYCM1  6274 UNITED STATES CELLULAR - WI 356   2008-09-04   
920-348 4 Cambria WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-07-26   
920-348 5 Cambria WI CMBAWIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-348 6 Cambria WI CMBAWIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-348 7 Cambria WI   6529 T-MOBILE USA, INC. 356   2025-02-15   
920-348 8 Cambria WI NWBLWICYCM1  6274 UNITED STATES CELLULAR - WI 356   2015-11-13   
920-348 9 Cambria WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   
920-349 A Hustisford WI HSFDWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-349 0 Hustisford WI MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2014-12-06   
920-349 1 Hustisford WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2007-03-19   
920-349 2 Hustisford WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
920-349 3 Hustisford WI HSFDWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-349 4 Hustisford WI HSFDWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-349 5 Hustisford WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-20   
920-349 6 Hustisford WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-06-20   
920-349 7 Hustisford WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-349 8 Hustisford WI HSFDWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-349 9 Hustisford WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2007-05-11   
920-350 A Columbus WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356      
920-350 0 Columbus WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2005-03-20   
920-350 1 Columbus WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-06-29   
920-350 2 Columbus WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356   2007-04-24   
920-350 3 Columbus WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-01-06   
920-350 4 Columbus WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-06-01   
920-350 5 Columbus WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356   2012-01-13   
920-350 6 Columbus WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2011-10-24   
920-350 7 Columbus WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-10-27   
920-350 8 Columbus WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-06-19   
920-350 9 Columbus WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-351 A De Pere WI GNBYWI01ZMD  829J PAETEC ITEL, LLC 350      
920-351 0 De Pere WI GNBYWI01ZMD  829J PAETEC ITEL, LLC 350      
920-351 1 De Pere WI GNBYWI01ZMD  829J PAETEC ITEL, LLC 350      
920-351 2 De Pere WI GNBYWI01ZMD  829J PAETEC ITEL, LLC 350      
920-351 3 De Pere WI GNBYWIATVMD  516C AT&T CORP. 350   2008-04-25   
920-351 4 De Pere WI GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2004-04-11   
920-351 5 De Pere WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2016-05-04   
920-351 6 De Pere WI GNBYWI01ZMD  829J PAETEC ITEL, LLC 350      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.