Local Calling Guide
Area code/prefix search
Denver, 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 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-728
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-728
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-728
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-728
| 9 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-05-06 |
|
| 303-729
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-730
| A |
LTTNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-731
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-731
| 0 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-10-21 |
|
| 303-731
| 1 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-10-26 |
|
| 303-731
| 2 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-01 |
|
| 303-731
| 3 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-01 |
|
| 303-731
| 4 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-731
| 5 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-01 |
|
| 303-731
| 6 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-01 |
|
| 303-731
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-07-16 |
|
| 303-731
| 8 |
|
829J PAETEC ITEL, LLC |
656 |
|
2009-09-15 |
|
| 303-731
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-08-12 |
|
| 303-733
| A |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-734
| A |
LTTNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-735
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-736
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-736
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-736
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-736
| 2 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-736
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-736
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-736
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-736
| 6 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2009-06-23 |
|
| 303-736
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-736
| 8 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-736
| 9 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2009-09-28 |
|
| 303-737
| A |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-738
| A |
LTTNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-739
| A |
AURRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-740
| A |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-741
| A |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-742
| A |
DNVRCOWSDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-743
| A |
DNVRCOSLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-744
| A |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-745
| A |
DNVRCOSLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-748
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-749
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-749
| 0 |
|
026D ONVOY, LLC - CO |
656 |
|
2013-01-10 |
|
| 303-749
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-749
| 2 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-749
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-749
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-749
| 5 |
|
026D ONVOY, LLC - CO |
656 |
|
2010-04-03 |
|
| 303-749
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-749
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-749
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-749
| 9 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-750
| A |
DNVRCOSLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-751
| A |
DNVRCOSLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-752
| A |
DNVRCOSLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-753
| A |
DNVRCOSEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-754
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-755
| A |
DNVRCOSLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-756
| A |
DNVRCOSEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-757
| A |
DNVRCOSEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-758
| A |
DNVRCOSEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-759
| A |
DNVRCOSEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-760
| A |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
| 303-761
| A |
ENWDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-762
| A |
ENWDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| A |
DNVRCOSWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-11-11 |
|
| 303-763
| 1 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-11-11 |
|
| 303-763
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-763
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-764
| A |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-765
| A |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-766
| A |
DNVRCOSHDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-767
| A |
ENWDCOVF0MD |
9748 AMERICAN MESSAGING SERVICES, LLC |
656 |
|
|
|
| 303-768
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-770
| A |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-771
| A |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-773
| A |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-777
| A |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-778
| A |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-779
| A |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-780
| A |
DNVRCOEADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-781
| A |
ENWDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-782
| A |
DNVRCOSEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-783
| A |
ENWDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-784
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-785
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-786
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-787
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-788
| A |
ENWDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-789
| A |
ENWDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-790
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-791
| A |
LTTNCOHLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-792
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
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 >>
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.