Phone Prefix
(503) 421-XXXX
OR • PORTLAND
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Carrier Information
NANPA
State
OR
Region
WE
Rate Center
PORTLAND
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
RT
Number Range
First Number
(503) 421-0000
Last Number
(503) 421-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
12 reports
12
Total FCC + FTC DNC complaints for numbers in this prefix
Top 7 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (503) 421-2109 5034212109 | 5 |
| 2 | (503) 421-1947 5034211947 | 2 |
| 3 | (503) 421-2942 5034212942 | 1 |
| 4 | (503) 421-6235 5034216235 | 1 |
| 5 | (503) 421-6810 5034216810 | 1 |
| 6 | (503) 421-2716 5034212716 | 1 |
| 7 | (503) 421-1557 5034211557 | 1 |
About This Prefix
Phone numbers starting with (503) 421 are part of the North American Numbering Plan (NANP). The first three digits (503) represent the Area Code (NPA), and the next three digits (421) represent the Central Office Code (NXX) or exchange.
- NPA (503) - Numbering Plan Area, identifies the geographic region
- NXX (421) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)