Phone Prefix
(303) 636-XXXX
CO • DENVER
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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) 636-0000
Last Number
(303) 636-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
16 reports
16
Total FCC + FTC DNC complaints for numbers in this prefix
Top 15 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 636-2769 3036362769 | 2 |
| 2 | (303) 636-0891 3036360891 | 1 |
| 3 | (303) 636-2596 3036362596 | 1 |
| 4 | (303) 636-3193 3036363193 | 1 |
| 5 | (303) 636-3949 3036363949 | 1 |
| 6 | (303) 636-5893 3036365893 | 1 |
| 7 | (303) 636-6100 3036366100 | 1 |
| 8 | (303) 636-6163 3036366163 | 1 |
| 9 | (303) 636-6570 3036366570 | 1 |
| 10 | (303) 636-8043 3036368043 | 1 |
| 11 | (303) 636-8361 3036368361 | 1 |
| 12 | (303) 636-9156 3036369156 | 1 |
| 13 | (303) 636-9807 3036369807 | 1 |
| 14 | (303) 636-0220 3036360220 | 1 |
| 15 | (303) 636-9907 3036369907 | 1 |
About This Prefix
Phone numbers starting with (303) 636 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (636) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (636) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)