| Prefix 303-978 | |
|---|---|
| Type | Landline |
| Introduced | 02/04/1994 |
| company | Qwest Corporation |
| County | Jefferson |
| State | Colorado |
| Country | United States |
| Primary city | Denver, CO |
| ZIP Code | 80123 |
| Phone Number | Possible Location |
|---|---|
| 303-978-0001 | Jefferson, Denver, CO |
| 303-978-0002 | Jefferson, Denver, CO |
| 303-978-0003 | Jefferson, Denver, CO |
| 303-978-0004 | Jefferson, Denver, CO |
| 303-978-0005 | Jefferson, Denver, CO |
| 303-978-0006 | Jefferson, Denver, CO |
| 303-978-0007 | Jefferson, Denver, CO |
| 303-978-0008 | Jefferson, Denver, CO |
| 303-978-0009 | Jefferson, Denver, CO |
| 303-978-0010 | Jefferson, Denver, CO |
| 303-978-0011 | Jefferson, Denver, CO |
| 303-978-0012 | Jefferson, Denver, CO |
| 303-978-0013 | Jefferson, Denver, CO |
| 303-978-0014 | Jefferson, Denver, CO |
| 303-978-0015 | Jefferson, Denver, CO |
| 303-978-0016 | Jefferson, Denver, CO |
| 303-978-0017 | Jefferson, Denver, CO |
| 303-978-0018 | Jefferson, Denver, CO |
| 303-978-0019 | Jefferson, Denver, CO |
| 303-978-0020 | Jefferson, Denver, CO |
| 303-978-0021 | Jefferson, Denver, CO |
| 303-978-0022 | Jefferson, Denver, CO |
| 303-978-0023 | Jefferson, Denver, CO |
| 303-978-0024 | Jefferson, Denver, CO |
| 303-978-0025 | Jefferson, Denver, CO |
| 303-978-0026 | Jefferson, Denver, CO |
| 303-978-0027 | Jefferson, Denver, CO |
| 303-978-0028 | Jefferson, Denver, CO |
| 303-978-0029 | Jefferson, Denver, CO |
| 303-978-0030 | Jefferson, Denver, CO |
| 303-978-0031 | Jefferson, Denver, CO |
| 303-978-0032 | Jefferson, Denver, CO |
| 303-978-0033 | Jefferson, Denver, CO |
| 303-978-0034 | Jefferson, Denver, CO |
| 303-978-0035 | Jefferson, Denver, CO |
| 303-978-0036 | Jefferson, Denver, CO |
| 303-978-0037 | Jefferson, Denver, CO |
| 303-978-0038 | Jefferson, Denver, CO |
| 303-978-0039 | Jefferson, Denver, CO |
| 303-978-0040 | Jefferson, Denver, CO |
| 303-978-0041 | Jefferson, Denver, CO |
| 303-978-0042 | Jefferson, Denver, CO |
| 303-978-0043 | Jefferson, Denver, CO |
| 303-978-0044 | Jefferson, Denver, CO |
| 303-978-0045 | Jefferson, Denver, CO |
| 303-978-0046 | Jefferson, Denver, CO |
| 303-978-0047 | Jefferson, Denver, CO |
| 303-978-0048 | Jefferson, Denver, CO |
| 303-978-0049 | Jefferson, Denver, CO |
| 303-978-0050 | Jefferson, Denver, CO |
The area code prefix is introduced in 02/04/1994, the phone number type is Landline. The major cities in the area are Arvada, CO;Aurora, CO;Boulder, CO;Brighton, CO;Bro
| Area Code 303 | |
|---|---|
| Time Zone | Mountain (UTC-07:00) |
| Major City | Denver |
| State/Province | Colorado |
| Country | United States |