Phone Prefix
(303) 507-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) 507-0000
Last Number
(303) 507-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
13 reports
13
Total FCC + FTC DNC complaints for numbers in this prefix
Top 9 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 507-3746 3035073746 | 4 |
| 2 | (303) 507-7780 3035077780 | 2 |
| 3 | (303) 507-2828 3035072828 | 1 |
| 4 | (303) 507-3841 3035073841 | 1 |
| 5 | (303) 507-5307 3035075307 | 1 |
| 6 | (303) 507-7804 3035077804 | 1 |
| 7 | (303) 507-2163 3035072163 | 1 |
| 8 | (303) 507-9920 3035079920 | 1 |
| 9 | (303) 507-2692 3035072692 | 1 |
About This Prefix
Phone numbers starting with (303) 507 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (507) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (507) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)