Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-645
| 4 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2006-09-14 |
|
| 303-645
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| A |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-646
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| A |
ELBRCOMARS2 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-09-24 |
|
| 303-648
| 2 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2024-07-08 |
|
| 303-648
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-02-27 |
|
| 303-648
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-02-27 |
|
| 303-648
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-02-27 |
|
| 303-648
| 7 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2024-07-08 |
|
| 303-648
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-649
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-650
| A |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-653
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-653
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2022-07-16 |
|
| 303-653
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-10-30 |
|
| 303-653
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2005-03-10 |
|
| 303-653
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2005-03-10 |
|
| 303-653
| 4 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2005-03-10 |
|
| 303-653
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2005-03-10 |
|
| 303-653
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-653
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-653
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-11-03 |
|
| 303-653
| 9 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-654
| A |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-655
| A |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-656
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-656
| 0 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 2 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-05-07 |
|
| 303-656
| 3 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 4 |
|
829J PAETEC ITEL, LLC |
656 |
|
2009-08-27 |
|
| 303-656
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 9 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2009-09-28 |
|
| 303-657
| A |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| A |
LTTNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 0 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2009-06-18 |
|
| 303-658
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2009-02-23 |
|
| 303-659
| A |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-660
| A |
CSRKCONMDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| A |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-07-23 |
|
| 303-661
| 8 |
|
939H COMMIO, LLC |
656 |
|
2024-03-25 |
|
| 303-661
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-662
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-663
| A |
CSRKCONMDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-664
| A |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-665
| A |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-666
| A |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-667
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-668
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-669
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-670
| A |
EVRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-671
| A |
DNVRCOSLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-672
| A |
DNVRCOCPDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-673
| A |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-674
| A |
EVRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-675
| A |
DNVRCOCPDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-676
| A |
AURRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-676
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-676
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-676
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-676
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-676
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-676
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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