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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-309 A Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
414-309 0 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 1 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 2 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 3 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 4 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 5 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 6 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 7 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 8 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-309 9 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-03-21   
414-310 A Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
414-310 0 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-10-09   
414-310 1 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-10-09   
414-310 2 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-10-09   
414-310 3 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-10-09   
414-310 4 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-10-09   
414-310 5 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-10-09   
414-310 6 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-10-09   
414-310 7 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-10-09   
414-310 8 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2018-07-06   
414-310 9 Milwaukee Zone 1 WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-08-24   
414-312 A Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-312 0 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2007-07-30   
414-312 1 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2007-07-30   
414-312 2 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2007-07-30   
414-312 3 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2007-07-30   
414-312 4 Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-12-31   
414-312 5 Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2007-07-27   
414-312 6 Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2007-07-27   
414-312 7 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2007-08-31   
414-312 8 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2007-08-31   
414-312 9 Milwaukee Zone 1 WI MILXWIIXDS0  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 356   2007-09-20   
414-313 A Milwaukee Zone 1 WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-314 A Milwaukee Zone 1 WI MILWWI13X3X  6630 USA MOBILITY WIRELESS, INC. 356      
414-315 A Milwaukee Zone 1 WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-316 A Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
414-316 0 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-11-04   
414-316 1 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-11-04   
414-316 2 Milwaukee Zone 1 WI   520K TDS METROCOM, LLC 356   2013-01-21   
414-316 3 Milwaukee Zone 1 WI   520K TDS METROCOM, LLC 356   2013-01-21   
414-316 4 Milwaukee Zone 1 WI   520K TDS METROCOM, LLC 356   2013-10-31   
414-316 5 Milwaukee Zone 1 WI   520K TDS METROCOM, LLC 356   2013-10-31   
414-316 6 Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2013-10-31   
414-316 7 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2013-04-12   
414-316 8 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2013-04-12   
414-316 9 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2015-07-31   
414-317 A Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-317 0 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 1 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 2 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 3 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 4 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 5 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 6 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 7 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 8 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-317 9 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2022-03-06   
414-318 A Milwaukee Zone 1 WI MILWWI12XWX  9748 AMERICAN MESSAGING SERVICES, LLC 356      
414-319 A Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 0 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 1 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 2 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 3 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 4 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 5 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 6 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 7 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 8 Milwaukee Zone 1 WI MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-319 9 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-08-09   
414-320 A Milwaukee Zone 1 WI MILWWI13X3X  6630 USA MOBILITY WIRELESS, INC. 356      
414-321 A Milwaukee Zone 1 WI MILWWI30DS0  9327 WISCONSIN BELL INC 356      
414-322 A Milwaukee Zone 1 WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-323 A Milwaukee Zone 1 WI MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
414-323 0 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-09-17   
414-323 1 Milwaukee Zone 1 WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-12-25   
414-323 2 Milwaukee Zone 1 WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-03-12   
414-323 3 Milwaukee Zone 1 WI MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2012-03-15   
414-323 4 Milwaukee Zone 1 WI MILWWIHEWMD  516C AT&T CORP. 356   2015-01-20   
414-323 5 Milwaukee Zone 1 WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-12-25   
414-323 6 Milwaukee Zone 1 WI MILWWI12X8Y  829J PAETEC ITEL, LLC 356   2014-09-09   
414-323 7 Milwaukee Zone 1 WI MILWWIHEWMD  516C AT&T CORP. 356   2014-09-30   
414-323 8 Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2015-08-24   
414-323 9 Milwaukee Zone 1 WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-09-17   
414-324 A Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-325 A Milwaukee Zone 1 WI MILWWI10DSA  9327 WISCONSIN BELL INC 356      
414-326 A Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-326 0 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2006-02-18   
414-326 1 Milwaukee Zone 1 WI MILWWI22DS0  9327 WISCONSIN BELL INC 356   2003-10-08   
414-326 2 Milwaukee Zone 1 WI MILWWI22DS0  9327 WISCONSIN BELL INC 356   2003-10-08   
414-326 3 Milwaukee Zone 1 WI   520K TDS METROCOM, LLC 356   2005-10-28   
414-326 4 Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-326 5 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2006-07-26   
414-326 6 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2007-02-08   
414-326 7 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2006-11-26   
414-326 8 Milwaukee Zone 1 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2005-10-17   
414-326 9 Milwaukee Zone 1 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-09-05   
414-327 A Milwaukee Zone 1 WI MILWWI30DS0  9327 WISCONSIN BELL INC 356      
414-328 A Milwaukee Zone 1 WI MILWWI30DS0  9327 WISCONSIN BELL INC 356      
414-329 A Milwaukee Zone 1 WI MILWWI30DS0  9327 WISCONSIN BELL INC 356      

<< 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 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.