Local Calling Guide
Area code/prefix search
NPA: 720
[Rate centres in NPA 720]
[Dial plan for NPA 720]
NXX: 506
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
720-506
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
720-506
| 0 |
Denver |
CO |
DNVRCOII4MD |
5562 METROPCS, INC. |
656 |
|
2013-11-11 |
|
720-506
| 1 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2013-07-15 |
|
720-506
| 2 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2013-01-18 |
|
720-506
| 3 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-10-30 |
|
720-506
| 4 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
720-506
| 5 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2012-06-30 |
|
720-506
| 6 |
Denver |
CO |
ENWDCO47DS3 |
8980 XO COLORADO, LLC |
656 |
|
2011-06-21 |
|
720-506
| 7 |
Denver |
CO |
ENWDCO47DS3 |
8980 XO COLORADO, LLC |
656 |
|
2011-06-21 |
|
720-506
| 8 |
Denver |
CO |
ENWDCO47DS3 |
8980 XO COLORADO, LLC |
656 |
|
2011-06-21 |
|
720-506
| 9 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2013-07-15 |
|
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.