Phone Prefix
(303) 520-XXXX
CO • DENVER
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
RT
Number Range
First Number
(303) 520-0000
Last Number
(303) 520-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
9 reports
9
Total FCC + FTC DNC complaints for numbers in this prefix
Top 9 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 520-1604 3035201604 | 1 |
| 2 | (303) 520-2053 3035202053 | 1 |
| 3 | (303) 520-2596 3035202596 | 1 |
| 4 | (303) 520-3161 3035203161 | 1 |
| 5 | (303) 520-3321 3035203321 | 1 |
| 6 | (303) 520-5105 3035205105 | 1 |
| 7 | (303) 520-5515 3035205515 | 1 |
| 8 | (303) 520-8098 3035208098 | 1 |
| 9 | (303) 520-8254 3035208254 | 1 |
About This Prefix
Phone numbers starting with (303) 520 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (520) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (520) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)