Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-568
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-568
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-568
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-568
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-568
| 9 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-570
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-571
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-572
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-573
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-574
| A |
DNVRCOMBDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-575
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-576
| A |
DNVRCOMBDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-577
| A |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 303-579
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-580
| A |
ENWDCOVF0MD |
9748 AMERICAN MESSAGING SERVICES, LLC |
656 |
|
|
|
| 303-581
| A |
BLDRCOGBRS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| A |
CNCYCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-08-05 |
|
| 303-582
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-582
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-583
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-584
| A |
DNVRCOSEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-03-26 |
|
| 303-585
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-03-26 |
|
| 303-585
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-585
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-586
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-586
| 0 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2020-12-03 |
|
| 303-586
| 1 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-02-01 |
|
| 303-586
| 2 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-02-12 |
|
| 303-586
| 3 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-02-12 |
|
| 303-586
| 4 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-02-12 |
|
| 303-586
| 5 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2008-06-13 |
|
| 303-586
| 6 |
|
026D ONVOY, LLC - CO |
656 |
|
2008-07-25 |
|
| 303-586
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2008-07-25 |
|
| 303-586
| 8 |
|
829J PAETEC ITEL, LLC |
656 |
|
2008-09-20 |
|
| 303-586
| 9 |
|
829J PAETEC ITEL, LLC |
656 |
|
2008-10-04 |
|
| 303-587
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-587
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-588
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-589
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-590
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-590
| 0 |
|
145J TERRA NOVA TELECOM INC. |
656 |
|
2022-06-03 |
|
| 303-590
| 1 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-590
| 2 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-590
| 3 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-08-25 |
|
| 303-590
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-590
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-590
| 6 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-590
| 7 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-590
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-590
| 9 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-591
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-591
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-592
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-593
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-593
| 0 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-593
| 1 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-593
| 2 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-593
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-593
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-593
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-593
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-593
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-593
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-593
| 9 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-594
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-595
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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