Phone Prefix
(503) 381-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) 381-0000
Last Number
(503) 381-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
9 reports
9
Total FCC + FTC DNC complaints for numbers in this prefix
Top 9 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (503) 381-1313 5033811313 | 1 |
| 2 | (503) 381-1830 5033811830 | 1 |
| 3 | (503) 381-4823 5033814823 | 1 |
| 4 | (503) 381-5894 5033815894 | 1 |
| 5 | (503) 381-7324 5033817324 | 1 |
| 6 | (503) 381-8031 5033818031 | 1 |
| 7 | (503) 381-8129 5033818129 | 1 |
| 8 | (503) 381-8599 5033818599 | 1 |
| 9 | (503) 381-8857 5033818857 | 1 |
About This Prefix
Phone numbers starting with (503) 381 are part of the North American Numbering Plan (NANP). The first three digits (503) represent the Area Code (NPA), and the next three digits (381) represent the Central Office Code (NXX) or exchange.
- NPA (503) - Numbering Plan Area, identifies the geographic region
- NXX (381) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)