Phone Prefix
(303) 552-XXXX
CO • DENVER
Search Number in This Prefix
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - CO
OCN
6118
Status
AS
Number Range
First Number
(303) 552-0000
Last Number
(303) 552-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
27 reports
27
Total FCC + FTC DNC complaints for numbers in this prefix
Top 25 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 552-5181 3035525181 | 2 |
| 2 | (303) 552-0329 3035520329 | 2 |
| 3 | (303) 552-0838 3035520838 | 1 |
| 4 | (303) 552-0846 3035520846 | 1 |
| 5 | (303) 552-1231 3035521231 | 1 |
| 6 | (303) 552-2099 3035522099 | 1 |
| 7 | (303) 552-2437 3035522437 | 1 |
| 8 | (303) 552-2455 3035522455 | 1 |
| 9 | (303) 552-2741 3035522741 | 1 |
| 10 | (303) 552-2763 3035522763 | 1 |
| 11 | (303) 552-2771 3035522771 | 1 |
| 12 | (303) 552-2864 3035522864 | 1 |
| 13 | (303) 552-3214 3035523214 | 1 |
| 14 | (303) 552-3604 3035523604 | 1 |
| 15 | (303) 552-3793 3035523793 | 1 |
| 16 | (303) 552-3961 3035523961 | 1 |
| 17 | (303) 552-5280 3035525280 | 1 |
| 18 | (303) 552-5431 3035525431 | 1 |
| 19 | (303) 552-5837 3035525837 | 1 |
| 20 | (303) 552-6622 3035526622 | 1 |
| 21 | (303) 552-9035 3035529035 | 1 |
| 22 | (303) 552-9307 3035529307 | 1 |
| 23 | (303) 552-9329 3035529329 | 1 |
| 24 | (303) 552-9377 3035529377 | 1 |
| 25 | (303) 552-0788 3035520788 | 1 |
About This Prefix
Phone numbers starting with (303) 552 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (552) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (552) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)