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 |
| 720-837
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-837
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-837
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-837
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-837
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-837
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-837
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-838
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-838
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-838
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-12-16 |
|
| 720-838
| 2 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2009-10-08 |
|
| 720-838
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-838
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-838
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-838
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-838
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-838
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-838
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-839
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-06-18 |
|
| 720-839
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-839
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-840
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-840
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-08-03 |
|
| 720-840
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-840
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-08-03 |
|
| 720-840
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-840
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-840
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-840
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-840
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-840
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-840
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-841
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-06-18 |
|
| 720-841
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-841
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-842
| A |
PRKRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-842
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-842
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-842
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-02-27 |
|
| 720-842
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2007-08-24 |
|
| 720-842
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-842
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-842
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-842
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2008-10-24 |
|
| 720-842
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-842
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-02-27 |
|
| 720-843
| A |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
|
|
| 720-843
| 0 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2021-12-23 |
|
| 720-843
| 1 |
|
026D ONVOY, LLC - CO |
656 |
|
2022-07-26 |
|
| 720-843
| 2 |
|
616J LEAP TELECOM, LLC |
656 |
|
2022-07-26 |
|
| 720-843
| 3 |
|
026D ONVOY, LLC - CO |
656 |
|
2022-07-26 |
|
| 720-843
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2022-07-26 |
|
| 720-843
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2022-07-26 |
|
| 720-843
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2022-07-26 |
|
| 720-843
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2022-07-26 |
|
| 720-843
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2022-07-26 |
|
| 720-843
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2022-07-26 |
|
| 720-844
| A |
DNVRCO26XWX |
616J LEAP TELECOM, LLC |
656 |
|
|
|
| 720-844
| 0 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-07-02 |
|
| 720-844
| 1 |
|
616J LEAP TELECOM, LLC |
656 |
|
2021-03-11 |
|
| 720-844
| 2 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2021-03-14 |
|
| 720-844
| 3 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-07-02 |
|
| 720-844
| 4 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2021-03-29 |
|
| 720-844
| 5 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2021-03-29 |
|
| 720-844
| 6 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2021-05-09 |
|
| 720-844
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-07-02 |
|
| 720-844
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-07-02 |
|
| 720-844
| 9 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-07-02 |
|
| 720-845
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-845
| 0 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-10-15 |
|
| 720-845
| 1 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-10-15 |
|
| 720-845
| 2 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-10-15 |
|
| 720-845
| 3 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-10-15 |
|
| 720-845
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-10-15 |
|
| 720-845
| 5 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-10-15 |
|
| 720-845
| 6 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-10-15 |
|
| 720-845
| 7 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-10-15 |
|
| 720-845
| 8 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-10-15 |
|
| 720-845
| 9 |
|
5562 METROPCS, INC. |
656 |
|
2017-10-14 |
|
| 720-847
| A |
AURRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-847
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-847
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-847
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-847
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
<< 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: ISP Telecom
Like this site? We accept donations via PayPal.