Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-596
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
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| 303-596
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 303-596
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 303-596
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 303-596
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 303-596
| 4 |
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6529 T-MOBILE USA, INC. |
656 |
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| 303-596
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 303-596
| 6 |
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6529 T-MOBILE USA, INC. |
656 |
|
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| 303-596
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-596
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-596
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-597
| A |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 303-597
| 0 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 303-597
| 1 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
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| 303-597
| 2 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
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| 303-597
| 3 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
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| 303-597
| 4 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
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| 303-597
| 5 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 303-597
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2015-05-20 |
|
| 303-597
| 7 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 303-597
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2015-05-20 |
|
| 303-597
| 9 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 303-598
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-598
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-598
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
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|
| 303-598
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-598
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-598
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
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| 303-598
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-598
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-598
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-08-08 |
|
| 303-598
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-598
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-599
| A |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
| 303-600
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
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| 303-600
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
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| 303-600
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
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| 303-600
| 2 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
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| 303-600
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
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| 303-600
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
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| 303-600
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
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| 303-600
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
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| 303-600
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
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| 303-600
| 8 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-600
| 9 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-601
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-602
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-603
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-604
| A |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
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| 303-605
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-606
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-607
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
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| 303-607
| 0 |
|
9636 QWEST CORPORATION |
656 |
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| 303-607
| 1 |
|
9636 QWEST CORPORATION |
656 |
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| 303-607
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
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| 303-607
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
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| 303-607
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
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| 303-607
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-607
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-607
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-607
| 8 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
|
|
| 303-607
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-608
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-609
| A |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
| 303-610
| A |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
| 303-612
| A |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
| 303-613
| A |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
| 303-614
| A |
DNVRCOSLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-615
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-617
| A |
DNVRCOSHDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-618
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-619
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-620
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-620
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-620
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
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| 303-620
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
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| 303-620
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-620
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-620
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-620
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-08-05 |
|
| 303-620
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-620
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-620
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-621
| A |
KIOWCONMRS3 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-621
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-621
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-621
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-621
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-621
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-621
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-621
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-621
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-621
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-621
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-623
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-624
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-625
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-625
| 0 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-625
| 1 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-625
| 2 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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