Local Calling Guide
Area code/prefix search
NPA: 303
[Rate centres in NPA 303]
[Dial plan for NPA 303]
NXX: 586
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-586
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-586
| 0 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2020-12-03 |
|
| 303-586
| 1 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-02-01 |
|
| 303-586
| 2 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-02-12 |
|
| 303-586
| 3 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-02-12 |
|
| 303-586
| 4 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-02-12 |
|
| 303-586
| 5 |
Denver |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2008-06-13 |
|
| 303-586
| 6 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2008-07-25 |
|
| 303-586
| 7 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2008-07-25 |
|
| 303-586
| 8 |
Denver |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2008-09-20 |
|
| 303-586
| 9 |
Denver |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2008-10-04 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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