Phone Prefix
(650) 440-XXXX
CA • HALFMOONBY
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
CA
Region
WC
Rate Center
HALFMOONBY
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
RT
Number Range
First Number
(650) 440-0000
Last Number
(650) 440-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
16 reports
16
Total FCC + FTC DNC complaints for numbers in this prefix
Top 15 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (650) 440-3092 6504403092 | 2 |
| 2 | (650) 440-1577 6504401577 | 1 |
| 3 | (650) 440-2052 6504402052 | 1 |
| 4 | (650) 440-2383 6504402383 | 1 |
| 5 | (650) 440-4510 6504404510 | 1 |
| 6 | (650) 440-5048 6504405048 | 1 |
| 7 | (650) 440-5290 6504405290 | 1 |
| 8 | (650) 440-5412 6504405412 | 1 |
| 9 | (650) 440-5896 6504405896 | 1 |
| 10 | (650) 440-6384 6504406384 | 1 |
| 11 | (650) 440-6424 6504406424 | 1 |
| 12 | (650) 440-6579 6504406579 | 1 |
| 13 | (650) 440-6874 6504406874 | 1 |
| 14 | (650) 440-0328 6504400328 | 1 |
| 15 | (650) 440-7361 6504407361 | 1 |
About This Prefix
Phone numbers starting with (650) 440 are part of the North American Numbering Plan (NANP). The first three digits (650) represent the Area Code (NPA), and the next three digits (440) represent the Central Office Code (NXX) or exchange.
- NPA (650) - Numbering Plan Area, identifies the geographic region
- NXX (440) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)