Local Calling Guide
Area code/prefix search
NPA: 720
[Rate centres in NPA 720]
[Dial plan for NPA 720]
NXX: 356
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-356
| A |
Denver |
CO |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2025-04-08 |
|
| 720-356
| 0 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2009-06-04 |
|
| 720-356
| 1 |
Denver |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2009-01-01 |
|
| 720-356
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-16 |
|
| 720-356
| 3 |
Denver |
CO |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2025-04-07 |
|
| 720-356
| 4 |
Denver |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2017-08-05 |
|
| 720-356
| 5 |
Denver |
CO |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2025-04-07 |
|
| 720-356
| 6 |
Denver |
CO |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-356
| 7 |
Denver |
CO |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-356
| 8 |
Denver |
CO |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-356
| 9 |
Denver |
CO |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
Last updated: Sat, 05 Apr 2025 03:03:23 UTC
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