Phone Prefix
(303) 389-XXXX
CO • DENVER
Search Number in This Prefix
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
QWEST CORPORATION
OCN
9636
Status
RT
Number Range
First Number
(303) 389-0000
Last Number
(303) 389-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
18 reports
18
Total FCC + FTC DNC complaints for numbers in this prefix
Top 18 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 389-0000 3033890000 | 1 |
| 2 | (303) 389-0698 3033890698 | 1 |
| 3 | (303) 389-1687 3033891687 | 1 |
| 4 | (303) 389-1714 3033891714 | 1 |
| 5 | (303) 389-2016 3033892016 | 1 |
| 6 | (303) 389-4922 3033894922 | 1 |
| 7 | (303) 389-6024 3033896024 | 1 |
| 8 | (303) 389-6864 3033896864 | 1 |
| 9 | (303) 389-6910 3033896910 | 1 |
| 10 | (303) 389-6971 3033896971 | 1 |
| 11 | (303) 389-7872 3033897872 | 1 |
| 12 | (303) 389-7880 3033897880 | 1 |
| 13 | (303) 389-8588 3033898588 | 1 |
| 14 | (303) 389-8943 3033898943 | 1 |
| 15 | (303) 389-9284 3033899284 | 1 |
| 16 | (303) 389-9479 3033899479 | 1 |
| 17 | (303) 389-9838 3033899838 | 1 |
| 18 | (303) 389-9982 3033899982 | 1 |
About This Prefix
Phone numbers starting with (303) 389 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (389) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (389) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)