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: WA

<< 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
509-200 7 Walla Walla WA WLWLWA018MD  6529 T-MOBILE USA, INC. 676      
509-200 8 Walla Walla WA EWNCWA270MD  5562 METROPCS, INC. 676      
509-200 9 Walla Walla WA WLWLWA018MD  6529 T-MOBILE USA, INC. 676      
509-201 A Ellensburg WA   792K CHARTER IP ENABLED SERVICES, LLC 676      
509-201 0 Ellensburg WA ELBGWA060MD  6529 T-MOBILE USA, INC. 676      
509-201 1 Ellensburg WA   792K CHARTER IP ENABLED SERVICES, LLC 676   2013-10-28   
509-201 2 Ellensburg WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2017-11-03   
509-201 3 Ellensburg WA ELBGWA060MD  6529 T-MOBILE USA, INC. 676   2020-12-29   
509-201 4 Ellensburg WA ELBGWA060MD  6529 T-MOBILE USA, INC. 676   2020-12-29   
509-201 5 Ellensburg WA ELBGWA060MD  6529 T-MOBILE USA, INC. 676   2021-07-15   
509-201 6 Ellensburg WA ELBGWA060MD  6529 T-MOBILE USA, INC. 676      
509-201 7 Ellensburg WA ELBGWA060MD  6529 T-MOBILE USA, INC. 676   2014-03-09   
509-201 8 Ellensburg WA ELBGWA060MD  6529 T-MOBILE USA, INC. 676   2021-04-17   
509-201 9 Ellensburg WA ELBGWA060MD  6529 T-MOBILE USA, INC. 676   2021-04-17   
509-202 A Spokane WA SPKNWA01XOX  551G NUSO, LLC 676      
509-202 0 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2012-12-26   
509-202 1 Spokane WA SPKNWA01XOX  551G NUSO, LLC 676   2012-12-17   
509-202 2 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2012-12-26   
509-202 3 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2012-12-26   
509-202 4 Spokane WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2013-09-01   
509-202 5 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2013-06-15   
509-202 6 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2013-06-28   
509-202 7 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2013-07-08   
509-202 8 Spokane WA EWNCWA270MD  6529 T-MOBILE USA, INC. 676   2013-05-08   
509-202 9 Spokane WA EWNCWA270MD  6529 T-MOBILE USA, INC. 676   2013-03-25   
509-203 A Grandview WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-203 0 Grandview WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2014-11-13   
509-203 1 Grandview WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2016-12-30   
509-203 2 Grandview WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676   2015-03-20   
509-203 3 Grandview WA YAKMWAWECMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 676   2012-07-12   
509-203 4 Grandview WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-01-29   
509-203 5 Grandview WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-03-15   
509-203 6 Grandview WA   792K CHARTER IP ENABLED SERVICES, LLC 676   2007-06-23   
509-203 7 Grandview WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2008-02-13   
509-203 8 Grandview WA YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676   2015-01-26   
509-203 9 Grandview WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2016-10-12   
509-204 A Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-204 0 Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-204 1 Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-204 2 Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-204 3 Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-204 4 Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2016-05-22   
509-204 5 Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-204 6 Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2016-05-22   
509-204 7 Walla Walla WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2017-02-25   
509-204 8 Walla Walla WA SPKNWADZDS3  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2019-03-13   
509-204 9 Walla Walla WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2016-04-08   
509-205 A Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676      
509-205 0 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2006-02-03   
509-205 1 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2005-08-14   
509-205 2 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2006-05-17   
509-205 3 Kennewick WA SPKNWA01XUY  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2020-07-29   
509-205 4 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2006-09-24   
509-205 5 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2007-03-16   
509-205 6 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2006-03-16   
509-205 7 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2006-01-14   
509-205 8 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2006-01-14   
509-205 9 Kennewick WA KNWCWAXA1MD  6529 T-MOBILE USA, INC. 676   2005-10-22   
509-206 A Clarkston WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676      
509-206 0 Clarkston WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2022-07-07   
509-206 1 Clarkston WA SPKNWAVR0MD  073H TELNYX LLC 676   2023-09-10   
509-206 2 Clarkston WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2026-03-15   
509-206 3 Clarkston WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2025-01-12   
509-206 5 Clarkston WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2025-08-30   
509-206 6 Clarkston WA SPKNWADZBMD  490J BOOST SUBSCRIBERCO L.L.C. 676   2023-05-26   
509-206 8 Clarkston WA SPKNWAVR0MD  073H TELNYX LLC 676   2023-01-05   
509-206 9 Clarkston WA SPKNWAVR0MD  073H TELNYX LLC 676   2023-04-13   
509-207 A Republic WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-207 0 Republic WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2004-10-07   
509-207 1 Republic WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2017-10-06   
509-207 2 Republic WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-05-07   
509-207 3 Republic WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2013-06-21   
509-207 4 Republic WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-02-17   
509-207 5 Republic WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2020-08-27   
509-207 6 Republic WA YAKMWAWECMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 676   2012-07-12   
509-207 7 Republic WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2007-04-20   
509-207 8 Republic WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2014-08-22   
509-207 9 Republic WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-10-23   
509-208 A Yakima WA KNWCWABB1MD  6270 UNITED STATES CELLULAR - WA 676      
509-208 0 Yakima WA KNWCWABB1MD  6270 UNITED STATES CELLULAR - WA 676   2022-01-02   
509-208 1 Yakima WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2022-04-28   
509-208 2 Yakima WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-08-15   
509-208 3 Yakima WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676   2022-01-03   
509-208 4 Yakima WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2022-04-28   
509-208 5 Yakima WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2022-06-11   
509-208 6 Yakima WA SPKNWADZ4MD  939H COMMIO, LLC 676   2024-04-18   
509-208 7 Yakima WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-04-14   
509-208 8 Yakima WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2023-06-12   
509-208 9 Yakima WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2023-04-29   
509-209 A Spokane WA SPKNWAVRDS2  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 676      
509-209 0 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2005-10-17   
509-209 1 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2005-10-17   
509-209 2 Spokane WA SPKNWAVRDS2  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 676   2004-10-17   
509-209 3 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2005-10-17   
509-209 4 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2005-10-17   
509-209 5 Spokane WA SPKNWAVRDS2  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 676   2005-09-09   
509-209 6 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2005-10-17   
509-209 7 Spokane WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2005-10-17   
509-209 8 Spokane WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2010-02-22   
509-209 9 Spokane WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-10-29   

<< 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, 31 Mar 2026 13:56:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.