Phone Prefix
(650) 503-XXXX
CA • REDWOOD CY
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
REDWOOD CY
Carrier
671J-U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
Status
AF
Number Range
First Number
(650) 503-0000
Last Number
(650) 503-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
33 reports
33
Total FCC + FTC DNC complaints for numbers in this prefix
Top 19 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (650) 503-4700 6505034700 | 15 |
| 2 | (650) 503-1967 6505031967 | 1 |
| 3 | (650) 503-2576 6505032576 | 1 |
| 4 | (650) 503-3350 6505033350 | 1 |
| 5 | (650) 503-3424 6505033424 | 1 |
| 6 | (650) 503-3496 6505033496 | 1 |
| 7 | (650) 503-4042 6505034042 | 1 |
| 8 | (650) 503-5702 6505035702 | 1 |
| 9 | (650) 503-6018 6505036018 | 1 |
| 10 | (650) 503-6378 6505036378 | 1 |
| 11 | (650) 503-6492 6505036492 | 1 |
| 12 | (650) 503-6530 6505036530 | 1 |
| 13 | (650) 503-9120 6505039120 | 1 |
| 14 | (650) 503-9127 6505039127 | 1 |
| 15 | (650) 503-9581 6505039581 | 1 |
| 16 | (650) 503-9586 6505039586 | 1 |
| 17 | (650) 503-9790 6505039790 | 1 |
| 18 | (650) 503-0215 6505030215 | 1 |
| 19 | (650) 503-9963 6505039963 | 1 |
About This Prefix
Phone numbers starting with (650) 503 are part of the North American Numbering Plan (NANP). The first three digits (650) represent the Area Code (NPA), and the next three digits (503) represent the Central Office Code (NXX) or exchange.
- NPA (650) - Numbering Plan Area, identifies the geographic region
- NXX (503) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)