Phone Prefix
(503) 831-XXXX
OR • DALLAS
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
OR
Region
WE
Rate Center
DALLAS
Assigned To
QWEST CORPORATION
OCN
9638
Status
RT
Number Range
First Number
(503) 831-0000
Last Number
(503) 831-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
35 reports
35
Total FCC + FTC DNC complaints for numbers in this prefix
Top 31 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (503) 831-9248 5038319248 | 2 |
| 2 | (503) 831-1276 5038311276 | 2 |
| 3 | (503) 831-1459 5038311459 | 2 |
| 4 | (503) 831-8221 5038318221 | 2 |
| 5 | (503) 831-0643 5038310643 | 1 |
| 6 | (503) 831-1122 5038311122 | 1 |
| 7 | (503) 831-1588 5038311588 | 1 |
| 8 | (503) 831-1703 5038311703 | 1 |
| 9 | (503) 831-3635 5038313635 | 1 |
| 10 | (503) 831-4501 5038314501 | 1 |
| 11 | (503) 831-4720 5038314720 | 1 |
| 12 | (503) 831-4758 5038314758 | 1 |
| 13 | (503) 831-5645 5038315645 | 1 |
| 14 | (503) 831-6964 5038316964 | 1 |
| 15 | (503) 831-7371 5038317371 | 1 |
| 16 | (503) 831-7670 5038317670 | 1 |
| 17 | (503) 831-8029 5038318029 | 1 |
| 18 | (503) 831-8058 5038318058 | 1 |
| 19 | (503) 831-8277 5038318277 | 1 |
| 20 | (503) 831-8283 5038318283 | 1 |
| 21 | (503) 831-8328 5038318328 | 1 |
| 22 | (503) 831-8789 5038318789 | 1 |
| 23 | (503) 831-8797 5038318797 | 1 |
| 24 | (503) 831-8850 5038318850 | 1 |
| 25 | (503) 831-9502 5038319502 | 1 |
| 26 | (503) 831-9829 5038319829 | 1 |
| 27 | (503) 831-0137 5038310137 | 1 |
| 28 | (503) 831-9830 5038319830 | 1 |
| 29 | (503) 831-0174 5038310174 | 1 |
| 30 | (503) 831-0215 5038310215 | 1 |
| 31 | (503) 831-0417 5038310417 | 1 |
About This Prefix
Phone numbers starting with (503) 831 are part of the North American Numbering Plan (NANP). The first three digits (503) represent the Area Code (NPA), and the next three digits (831) represent the Central Office Code (NXX) or exchange.
- NPA (503) - Numbering Plan Area, identifies the geographic region
- NXX (831) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)