Phone Prefix
(503) 438-XXXX
OR • ST HELENS
Search Number in This Prefix
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Carrier Information
NANPA
State
OR
Region
WE
Rate Center
ST HELENS
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
May 29, 2003
Number Range
First Number
(503) 438-0000
Last Number
(503) 438-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
36 reports
36
Total FCC + FTC DNC complaints for numbers in this prefix
Top 32 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (503) 438-7412 5034387412 | 4 |
| 2 | (503) 438-1043 5034381043 | 1 |
| 3 | (503) 438-2476 5034382476 | 1 |
| 4 | (503) 438-3702 5034383702 | 1 |
| 5 | (503) 438-4036 5034384036 | 1 |
| 6 | (503) 438-4045 5034384045 | 1 |
| 7 | (503) 438-4128 5034384128 | 1 |
| 8 | (503) 438-4170 5034384170 | 1 |
| 9 | (503) 438-4236 5034384236 | 1 |
| 10 | (503) 438-4253 5034384253 | 1 |
| 11 | (503) 438-4254 5034384254 | 1 |
| 12 | (503) 438-4257 5034384257 | 1 |
| 13 | (503) 438-4279 5034384279 | 1 |
| 14 | (503) 438-4305 5034384305 | 1 |
| 15 | (503) 438-4330 5034384330 | 1 |
| 16 | (503) 438-4589 5034384589 | 1 |
| 17 | (503) 438-4727 5034384727 | 1 |
| 18 | (503) 438-4758 5034384758 | 1 |
| 19 | (503) 438-4812 5034384812 | 1 |
| 20 | (503) 438-4833 5034384833 | 1 |
| 21 | (503) 438-4940 5034384940 | 1 |
| 22 | (503) 438-5430 5034385430 | 1 |
| 23 | (503) 438-6383 5034386383 | 1 |
| 24 | (503) 438-7115 5034387115 | 1 |
| 25 | (503) 438-7154 5034387154 | 1 |
| 26 | (503) 438-7192 5034387192 | 1 |
| 27 | (503) 438-7499 5034387499 | 1 |
| 28 | (503) 438-7704 5034387704 | 1 |
| 29 | (503) 438-7724 5034387724 | 1 |
| 30 | (503) 438-8991 5034388991 | 1 |
| 31 | (503) 438-0717 5034380717 | 1 |
| 32 | (503) 438-9245 5034389245 | 1 |
About This Prefix
Phone numbers starting with (503) 438 are part of the North American Numbering Plan (NANP). The first three digits (503) represent the Area Code (NPA), and the next three digits (438) represent the Central Office Code (NXX) or exchange.
- NPA (503) - Numbering Plan Area, identifies the geographic region
- NXX (438) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)