Phone Prefix
(503) 488-XXXX
OR • PORTLAND
Search Number in This Prefix
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Carrier Information
NANPA
State
OR
Region
WE
Rate Center
PORTLAND
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
May 16, 2007
Number Range
First Number
(503) 488-0000
Last Number
(503) 488-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
32 reports
32
Total FCC + FTC DNC complaints for numbers in this prefix
Top 30 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (503) 488-3540 5034883540 | 2 |
| 2 | (503) 488-5564 5034885564 | 2 |
| 3 | (503) 488-1731 5034881731 | 1 |
| 4 | (503) 488-1794 5034881794 | 1 |
| 5 | (503) 488-1973 5034881973 | 1 |
| 6 | (503) 488-2136 5034882136 | 1 |
| 7 | (503) 488-2425 5034882425 | 1 |
| 8 | (503) 488-2636 5034882636 | 1 |
| 9 | (503) 488-2828 5034882828 | 1 |
| 10 | (503) 488-3666 5034883666 | 1 |
| 11 | (503) 488-3701 5034883701 | 1 |
| 12 | (503) 488-3807 5034883807 | 1 |
| 13 | (503) 488-3890 5034883890 | 1 |
| 14 | (503) 488-4218 5034884218 | 1 |
| 15 | (503) 488-5234 5034885234 | 1 |
| 16 | (503) 488-5254 5034885254 | 1 |
| 17 | (503) 488-5480 5034885480 | 1 |
| 18 | (503) 488-5507 5034885507 | 1 |
| 19 | (503) 488-6543 5034886543 | 1 |
| 20 | (503) 488-6670 5034886670 | 1 |
| 21 | (503) 488-6678 5034886678 | 1 |
| 22 | (503) 488-6785 5034886785 | 1 |
| 23 | (503) 488-8421 5034888421 | 1 |
| 24 | (503) 488-8592 5034888592 | 1 |
| 25 | (503) 488-8712 5034888712 | 1 |
| 26 | (503) 488-8906 5034888906 | 1 |
| 27 | (503) 488-9523 5034889523 | 1 |
| 28 | (503) 488-0379 5034880379 | 1 |
| 29 | (503) 488-9906 5034889906 | 1 |
| 30 | (503) 488-1373 5034881373 | 1 |
About This Prefix
Phone numbers starting with (503) 488 are part of the North American Numbering Plan (NANP). The first three digits (503) represent the Area Code (NPA), and the next three digits (488) represent the Central Office Code (NXX) or exchange.
- NPA (503) - Numbering Plan Area, identifies the geographic region
- NXX (488) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)