Phone Prefix
(650) 397-XXXX
CA • LOS ALTOS
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
LOS ALTOS
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Oct 29, 2015
Number Range
First Number
(650) 397-0000
Last Number
(650) 397-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
20 reports
20
Total FCC + FTC DNC complaints for numbers in this prefix
Top 17 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (650) 397-0624 6503970624 | 2 |
| 2 | (650) 397-9316 6503979316 | 2 |
| 3 | (650) 397-9779 6503979779 | 2 |
| 4 | (650) 397-1359 6503971359 | 1 |
| 5 | (650) 397-1585 6503971585 | 1 |
| 6 | (650) 397-2290 6503972290 | 1 |
| 7 | (650) 397-4682 6503974682 | 1 |
| 8 | (650) 397-6048 6503976048 | 1 |
| 9 | (650) 397-6508 6503976508 | 1 |
| 10 | (650) 397-7618 6503977618 | 1 |
| 11 | (650) 397-7880 6503977880 | 1 |
| 12 | (650) 397-8289 6503978289 | 1 |
| 13 | (650) 397-8383 6503978383 | 1 |
| 14 | (650) 397-8648 6503978648 | 1 |
| 15 | (650) 397-9120 6503979120 | 1 |
| 16 | (650) 397-0933 6503970933 | 1 |
| 17 | (650) 397-1207 6503971207 | 1 |
About This Prefix
Phone numbers starting with (650) 397 are part of the North American Numbering Plan (NANP). The first three digits (650) represent the Area Code (NPA), and the next three digits (397) represent the Central Office Code (NXX) or exchange.
- NPA (650) - Numbering Plan Area, identifies the geographic region
- NXX (397) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)