Phone Prefix
(303) 505-XXXX
CO • DENVER
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Nov 14, 2012
Number Range
First Number
(303) 505-0000
Last Number
(303) 505-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 505-2197 3035052197 | 1 |
| 2 | (303) 505-2632 3035052632 | 1 |
| 3 | (303) 505-3580 3035053580 | 1 |
| 4 | (303) 505-8216 3035058216 | 1 |
| 5 | (303) 505-9431 3035059431 | 1 |
About This Prefix
Phone numbers starting with (303) 505 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (505) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (505) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)