Local Calling Guide
Area code/prefix search
NPA: 720
[Rate centres in NPA 720]
[Dial plan for NPA 720]
NXX: 204
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-204
| A |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-204
| 0 |
Longmont |
CO |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-12-06 |
|
| 720-204
| 1 |
Longmont |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 2 |
Longmont |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 3 |
Longmont |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 4 |
Longmont |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 5 |
Longmont |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 6 |
Longmont |
CO |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2011-01-18 |
|
| 720-204
| 7 |
Longmont |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-05-02 |
|
| 720-204
| 8 |
Longmont |
CO |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-03-19 |
|
| 720-204
| 9 |
Longmont |
CO |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2021-07-19 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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