Phone Prefix
(303) 600-XXXX
CO • DENVER
Search Number in This Prefix
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
TELEPORT COMMUNICATIONS AMERICA, LLC - CO
OCN
7378
Status
RT
Number Range
First Number
(303) 600-0000
Last Number
(303) 600-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
30 reports
30
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 600-8589 3036008589 | 11 |
| 2 | (303) 600-3041 3036003041 | 7 |
| 3 | (303) 600-3040 3036003040 | 1 |
| 4 | (303) 600-3042 3036003042 | 1 |
| 5 | (303) 600-3987 3036003987 | 1 |
| 6 | (303) 600-5627 3036005627 | 1 |
| 7 | (303) 600-6666 3036006666 | 1 |
| 8 | (303) 600-6698 3036006698 | 1 |
| 9 | (303) 600-7820 3036007820 | 1 |
| 10 | (303) 600-9317 3036009317 | 1 |
| 11 | (303) 600-9490 3036009490 | 1 |
| 12 | (303) 600-0316 3036000316 | 1 |
| 13 | (303) 600-9561 3036009561 | 1 |
| 14 | (303) 600-0341 3036000341 | 1 |
About This Prefix
Phone numbers starting with (303) 600 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (600) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (600) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)