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.

Region: WI

<< 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 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-728 8 Janesville WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-21   
608-728 9 Janesville WI MDSRWIKE4MD  145J TERRA NOVA TELECOM INC. 354   2024-09-09   
608-729 A Madison WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-729 0 Madison WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2013-09-20   
608-729 1 Madison WI   520K TDS METROCOM, LLC 354   2007-12-16   
608-729 2 Madison WI   520K TDS METROCOM, LLC 354   2008-09-06   
608-729 3 Madison WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2010-06-12   
608-729 4 Madison WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2005-12-31   
608-729 5 Madison WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2006-09-05   
608-729 6 Madison WI   520K TDS METROCOM, LLC 354   2009-04-16   
608-729 7 Madison WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2010-12-11   
608-729 8 Madison WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2010-12-11   
608-729 9 Madison WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-05-30   
608-730 A Stoughton WI MDSRWIKE7MD  321J HD CARRIER LLC 354      
608-730 0 Stoughton WI MDSRWIKE5MD  516J TON80 COMMUNICATIONS, LLC 354   2021-11-25   
608-730 1 Stoughton WI MDSRWIKE1MD  939H COMMIO, LLC 354   2022-08-21   
608-730 2 Stoughton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-07-18   
608-730 3 Stoughton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-07-18   
608-730 4 Stoughton WI SGTNWI11AMD  732J NUSO, LLC 354   2024-10-14   
608-730 5 Stoughton WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2022-10-09   
608-730 6 Stoughton WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2024-03-21   
608-730 7 Stoughton WI MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354   2021-07-06   
608-730 8 Stoughton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-03-07   
608-730 9 Stoughton WI MDSRWIKE7MD  321J HD CARRIER LLC 354   2021-07-05   
608-731 A West Salem WI LCRSWIXCLMD  922G LEMONWEIR VALLEY TELEPHONE COMPANY - WI 354      
608-731 2 West Salem WI LCRSWIXCLMD  922G LEMONWEIR VALLEY TELEPHONE COMPANY - WI 354   2017-04-20   
608-731 3 West Salem WI   520K TDS METROCOM, LLC 354   2023-08-07   
608-732 A Platteville WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-733 A Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-733 0 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2017-10-31   
608-733 1 Madison WI MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2017-10-31   
608-733 2 Madison WI MDSNWI11X1X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2017-10-17   
608-733 3 Madison WI MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2018-09-10   
608-733 4 Madison WI MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2018-10-05   
608-733 5 Madison WI MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2018-10-05   
608-733 6 Madison WI MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2018-07-23   
608-733 7 Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-10-11   
608-733 8 Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-10-11   
608-733 9 Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-10-11   
608-734 A Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 0 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 1 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 2 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 3 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 4 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 5 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 6 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 7 Seneca WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2014-12-21   
608-734 8 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-734 9 Seneca WI SENCWIXARS0  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 354      
608-735 A Gays Mills WI BLRVWIXADS1  0942 RICHLAND-GRANT TEL. COOP., INC. 354      
608-736 A Evansville WI MDSOWIGTAMD  516C AT&T CORP. 354      
608-736 0 Evansville WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2016-04-06   
608-736 1 Evansville WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2016-04-06   
608-736 2 Evansville WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2017-06-02   
608-736 3 Evansville WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2017-06-02   
608-736 4 Evansville WI MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2019-06-27   
608-736 5 Evansville WI MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2017-10-21   
608-736 6 Evansville WI MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2019-09-25   
608-736 7 Evansville WI MDSOWIGTAMD  516C AT&T CORP. 354   2010-02-10   
608-736 8 Evansville WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-06-04   
608-736 9 Evansville WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-06-04   
608-737 A North Freedom WI   792K CHARTER IP ENABLED SERVICES, LLC 354      
608-737 1 North Freedom WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2008-04-12   
608-737 3 North Freedom WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-08-29   
608-737 4 North Freedom WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-737 7 North Freedom WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2014-12-05   
608-737 8 North Freedom WI MDSRWIKE5MD  516J TON80 COMMUNICATIONS, LLC 354   2021-09-09   
608-737 9 North Freedom WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2020-03-01   
608-738 A La Crosse WI LCRSWIXCDS0  0895 BRIGHTSPEED OF WISCONSIN, LLC 354      
608-738 0 La Crosse WI LCRSWIXCDS0  0895 BRIGHTSPEED OF WISCONSIN, LLC 354      
608-738 1 La Crosse WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2005-12-12   
608-738 2 La Crosse WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2006-06-22   
608-738 3 La Crosse WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2007-08-10   
608-738 4 La Crosse WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2006-12-21   
608-738 5 La Crosse WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2006-12-21   
608-738 6 La Crosse WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2007-08-10   
608-738 7 La Crosse WI MDSNWI11X4Y  5562 METROPCS, INC. 354   2010-01-07   
608-738 8 La Crosse WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2006-03-25   
608-738 9 La Crosse WI MDSNWI401MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-11-25   
608-739 A Muscoda WI MSCDWIXARS2  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 354      
608-739 0 Muscoda WI RCCTWIAUDS1  2556 TECH COM, INC. - WI 354   2021-06-21   
608-739 1 Muscoda WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2012-10-31   
608-739 2 Muscoda WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2005-03-22   
608-739 3 Muscoda WI MSCDWIXARS2  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 354      
608-739 4 Muscoda WI MSCDWIXARS2  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 354      
608-739 5 Muscoda WI PTVLWIXA0MD  983F MCC TELEPHONY OF THE MIDWEST, LLC - WI 354   2012-08-23   
608-739 6 Muscoda WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2024-10-19   
608-739 7 Muscoda WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2014-12-05   
608-739 8 Muscoda WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2024-10-13   
608-739 9 Muscoda WI MSCDWIXARS2  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 354      
608-740 A Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-740 0 Madison WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2022-10-14   
608-740 1 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-12-16   
608-740 2 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-08-21   
608-740 3 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-08-21   
608-740 4 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-08-21   
608-740 5 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-02-19   
608-740 6 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-08-21   
608-740 7 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-08-21   

<< 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 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 >>

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.