Phone Prefix
(303) 305-XXXX
CO • DENVER
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Status
RT
Number Range
First Number
(303) 305-0000
Last Number
(303) 305-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
16 reports
16
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 305-5299 3033055299 | 2 |
| 2 | (303) 305-7766 3033057766 | 2 |
| 3 | (303) 305-1364 3033051364 | 1 |
| 4 | (303) 305-1609 3033051609 | 1 |
| 5 | (303) 305-1697 3033051697 | 1 |
| 6 | (303) 305-2636 3033052636 | 1 |
| 7 | (303) 305-3767 3033053767 | 1 |
| 8 | (303) 305-4322 3033054322 | 1 |
| 9 | (303) 305-4752 3033054752 | 1 |
| 10 | (303) 305-6019 3033056019 | 1 |
| 11 | (303) 305-8024 3033058024 | 1 |
| 12 | (303) 305-0153 3033050153 | 1 |
| 13 | (303) 305-8502 3033058502 | 1 |
| 14 | (303) 305-0161 3033050161 | 1 |
About This Prefix
Phone numbers starting with (303) 305 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (305) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (305) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)