Phone Prefix
(303) 309-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
Date Assigned
Nov 20, 2007
Number Range
First Number
(303) 309-0000
Last Number
(303) 309-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
89 reports
89
Total FCC + FTC DNC complaints for numbers in this prefix
Top 50 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 309-1163 3033091163 | 31 |
| 2 | (303) 309-6806 3033096806 | 6 |
| 3 | (303) 309-1285 3033091285 | 2 |
| 4 | (303) 309-1175 3033091175 | 2 |
| 5 | (303) 309-6905 3033096905 | 2 |
| 6 | (303) 309-6863 3033096863 | 2 |
| 7 | (303) 309-1183 3033091183 | 1 |
| 8 | (303) 309-1568 3033091568 | 1 |
| 9 | (303) 309-1718 3033091718 | 1 |
| 10 | (303) 309-2556 3033092556 | 1 |
| 11 | (303) 309-2812 3033092812 | 1 |
| 12 | (303) 309-3100 3033093100 | 1 |
| 13 | (303) 309-3420 3033093420 | 1 |
| 14 | (303) 309-3586 3033093586 | 1 |
| 15 | (303) 309-3839 3033093839 | 1 |
| 16 | (303) 309-4001 3033094001 | 1 |
| 17 | (303) 309-4003 3033094003 | 1 |
| 18 | (303) 309-4101 3033094101 | 1 |
| 19 | (303) 309-4261 3033094261 | 1 |
| 20 | (303) 309-4938 3033094938 | 1 |
| 21 | (303) 309-6634 3033096634 | 1 |
| 22 | (303) 309-6648 3033096648 | 1 |
| 23 | (303) 309-6653 3033096653 | 1 |
| 24 | (303) 309-6695 3033096695 | 1 |
| 25 | (303) 309-6714 3033096714 | 1 |
| 26 | (303) 309-6798 3033096798 | 1 |
| 27 | (303) 309-6862 3033096862 | 1 |
| 28 | (303) 309-6865 3033096865 | 1 |
| 29 | (303) 309-6875 3033096875 | 1 |
| 30 | (303) 309-6879 3033096879 | 1 |
| 31 | (303) 309-6895 3033096895 | 1 |
| 32 | (303) 309-6980 3033096980 | 1 |
| 33 | (303) 309-6981 3033096981 | 1 |
| 34 | (303) 309-6989 3033096989 | 1 |
| 35 | (303) 309-7883 3033097883 | 1 |
| 36 | (303) 309-7922 3033097922 | 1 |
| 37 | (303) 309-8645 3033098645 | 1 |
| 38 | (303) 309-9219 3033099219 | 1 |
| 39 | (303) 309-9307 3033099307 | 1 |
| 40 | (303) 309-9310 3033099310 | 1 |
| 41 | (303) 309-9328 3033099328 | 1 |
| 42 | (303) 309-9824 3033099824 | 1 |
| 43 | (303) 309-9859 3033099859 | 1 |
| 44 | (303) 309-0088 3033090088 | 1 |
| 45 | (303) 309-9940 3033099940 | 1 |
| 46 | (303) 309-0108 3033090108 | 1 |
| 47 | (303) 309-0203 3033090203 | 1 |
| 48 | (303) 309-0211 3033090211 | 1 |
| 49 | (303) 309-1002 3033091002 | 1 |
| 50 | (303) 309-1003 3033091003 | 1 |
About This Prefix
Phone numbers starting with (303) 309 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (309) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (309) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)