Phone Prefix
(303) 537-XXXX
CO • DENVER
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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) 537-0000
Last Number
(303) 537-9999
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) 537-8252 3035378252 | 3 |
| 2 | (303) 537-0465 3035370465 | 1 |
| 3 | (303) 537-3735 3035373735 | 1 |
| 4 | (303) 537-4726 3035374726 | 1 |
| 5 | (303) 537-4861 3035374861 | 1 |
| 6 | (303) 537-4985 3035374985 | 1 |
| 7 | (303) 537-5857 3035375857 | 1 |
| 8 | (303) 537-5937 3035375937 | 1 |
| 9 | (303) 537-7147 3035377147 | 1 |
| 10 | (303) 537-7621 3035377621 | 1 |
| 11 | (303) 537-7772 3035377772 | 1 |
| 12 | (303) 537-8489 3035378489 | 1 |
| 13 | (303) 537-0395 3035370395 | 1 |
| 14 | (303) 537-9279 3035379279 | 1 |
About This Prefix
Phone numbers starting with (303) 537 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (537) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (537) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)