Local Calling Guide
Area code/prefix search
NPA: 303
[Rate centres in NPA 303]
[Dial plan for NPA 303]
NXX: 500
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
303-500
| A |
Hudson |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-500
| 0 |
Hudson |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-29 |
|
303-500
| 1 |
Hudson |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2012-06-30 |
|
303-500
| 2 |
Hudson |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2005-06-04 |
|
303-500
| 3 |
Hudson |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-05-30 |
|
303-500
| 4 |
Hudson |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2005-06-04 |
|
303-500
| 5 |
Hudson |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2006-01-04 |
|
303-500
| 6 |
Hudson |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-29 |
|
303-500
| 7 |
Hudson |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-04-09 |
|
303-500
| 8 |
Hudson |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2006-07-15 |
|
303-500
| 9 |
Hudson |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2006-07-24 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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