Local Calling Guide
Area code/prefix search
Region: CO
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-340
| 9 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-02-07 |
|
| 720-341
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-342
| A |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-342
| 0 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 1 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 2 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 3 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 4 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 5 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 6 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 7 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 8 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 9 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-343
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-343
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-08-10 |
|
| 720-343
| 1 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 3 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 4 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 5 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-05-31 |
|
| 720-343
| 7 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2003-12-22 |
|
| 720-343
| 8 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2003-12-22 |
|
| 720-343
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-08-10 |
|
| 720-344
| A |
Denver |
CO |
LTTNCOHLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-345
| A |
Denver |
CO |
DNVRCOMAGT7 |
588A ZIPPYTECH INCORPORATED |
656 |
|
|
|
| 720-345
| 0 |
Denver |
CO |
DNVRCOMAGT7 |
588A ZIPPYTECH INCORPORATED |
656 |
|
2008-02-29 |
|
| 720-345
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 5 |
Denver |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2008-06-30 |
|
| 720-345
| 6 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
2008-06-30 |
|
| 720-345
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-345
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-345
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-346
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-346
| 0 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 1 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 2 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 3 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 4 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 5 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 6 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-01-15 |
|
| 720-346
| 7 |
Denver |
CO |
|
026D ONVOY, LLC - CO |
656 |
|
2009-09-15 |
|
| 720-346
| 8 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 9 |
Denver |
CO |
DNVRCOMA53Z |
732J NUSO, LLC |
656 |
|
2024-12-04 |
|
| 720-347
| A |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-347
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 4 |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2009-11-12 |
|
| 720-347
| 5 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-13 |
|
| 720-347
| 6 |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2009-11-12 |
|
| 720-347
| 7 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-13 |
|
| 720-347
| 8 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-13 |
|
| 720-347
| 9 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-13 |
|
| 720-348
| A |
Denver |
CO |
LTTNCOHLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-349
| A |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-349
| 0 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 1 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 2 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 3 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 4 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 5 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 6 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 7 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 8 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 9 |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-350
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-350
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-350
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-350
| 2 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 3 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 4 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2008-03-03 |
|
| 720-350
| 5 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 6 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 7 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 8 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 9 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-351
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-351
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-351
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-351
| 3 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 4 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2008-02-14 |
|
| 720-351
| 5 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 6 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 7 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 8 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 9 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-352
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-353
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-353
| 0 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-353
| 2 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 3 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 4 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2008-03-03 |
|
| 720-353
| 5 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
<< 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 >>
Last updated: Fri, 25 Jul 2025 03:21:23 UTC
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