Phone Prefix
(503) 553-XXXX
OR • PORTLAND
Search Number in This Prefix
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Carrier Information
NANPA
State
OR
Region
WE
Rate Center
PORTLAND
Assigned To
QWEST CORPORATION
OCN
9638
Status
RT
Number Range
First Number
(503) 553-0000
Last Number
(503) 553-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
18 reports
18
Total FCC + FTC DNC complaints for numbers in this prefix
Top 16 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (503) 553-9026 5035539026 | 2 |
| 2 | (503) 553-9189 5035539189 | 2 |
| 3 | (503) 553-1038 5035531038 | 1 |
| 4 | (503) 553-2098 5035532098 | 1 |
| 5 | (503) 553-2340 5035532340 | 1 |
| 6 | (503) 553-2475 5035532475 | 1 |
| 7 | (503) 553-2519 5035532519 | 1 |
| 8 | (503) 553-2593 5035532593 | 1 |
| 9 | (503) 553-0361 5035530361 | 1 |
| 10 | (503) 553-2950 5035532950 | 1 |
| 11 | (503) 553-4298 5035534298 | 1 |
| 12 | (503) 553-5340 5035535340 | 1 |
| 13 | (503) 553-7051 5035537051 | 1 |
| 14 | (503) 553-8292 5035538292 | 1 |
| 15 | (503) 553-2804 5035532804 | 1 |
| 16 | (503) 553-0487 5035530487 | 1 |
About This Prefix
Phone numbers starting with (503) 553 are part of the North American Numbering Plan (NANP). The first three digits (503) represent the Area Code (NPA), and the next three digits (553) represent the Central Office Code (NXX) or exchange.
- NPA (503) - Numbering Plan Area, identifies the geographic region
- NXX (553) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)