Phone Prefix
(925) 578-XXXX
CA • ECONTRCOST
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
ECONTRCOST
Assigned To
SONIC TELECOM, LLC - CA
OCN
433E
Status
AS
Date Assigned
Jun 17, 2021
Number Range
First Number
(925) 578-0000
Last Number
(925) 578-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
56 reports
56
Total FCC + FTC DNC complaints for numbers in this prefix
Top 50 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (925) 578-4737 9255784737 | 3 |
| 2 | (925) 578-8534 9255788534 | 2 |
| 3 | (925) 578-6716 9255786716 | 2 |
| 4 | (925) 578-6797 9255786797 | 2 |
| 5 | (925) 578-3773 9255783773 | 2 |
| 6 | (925) 578-1826 9255781826 | 1 |
| 7 | (925) 578-1947 9255781947 | 1 |
| 8 | (925) 578-2346 9255782346 | 1 |
| 9 | (925) 578-2391 9255782391 | 1 |
| 10 | (925) 578-2479 9255782479 | 1 |
| 11 | (925) 578-2570 9255782570 | 1 |
| 12 | (925) 578-2903 9255782903 | 1 |
| 13 | (925) 578-3252 9255783252 | 1 |
| 14 | (925) 578-3661 9255783661 | 1 |
| 15 | (925) 578-3709 9255783709 | 1 |
| 16 | (925) 578-3720 9255783720 | 1 |
| 17 | (925) 578-3892 9255783892 | 1 |
| 18 | (925) 578-4169 9255784169 | 1 |
| 19 | (925) 578-4393 9255784393 | 1 |
| 20 | (925) 578-4592 9255784592 | 1 |
| 21 | (925) 578-4657 9255784657 | 1 |
| 22 | (925) 578-4666 9255784666 | 1 |
| 23 | (925) 578-4833 9255784833 | 1 |
| 24 | (925) 578-4964 9255784964 | 1 |
| 25 | (925) 578-4979 9255784979 | 1 |
| 26 | (925) 578-5242 9255785242 | 1 |
| 27 | (925) 578-6065 9255786065 | 1 |
| 28 | (925) 578-6092 9255786092 | 1 |
| 29 | (925) 578-6218 9255786218 | 1 |
| 30 | (925) 578-6219 9255786219 | 1 |
| 31 | (925) 578-6340 9255786340 | 1 |
| 32 | (925) 578-6448 9255786448 | 1 |
| 33 | (925) 578-6507 9255786507 | 1 |
| 34 | (925) 578-6512 9255786512 | 1 |
| 35 | (925) 578-6556 9255786556 | 1 |
| 36 | (925) 578-6572 9255786572 | 1 |
| 37 | (925) 578-6842 9255786842 | 1 |
| 38 | (925) 578-7560 9255787560 | 1 |
| 39 | (925) 578-8139 9255788139 | 1 |
| 40 | (925) 578-8257 9255788257 | 1 |
| 41 | (925) 578-8438 9255788438 | 1 |
| 42 | (925) 578-8535 9255788535 | 1 |
| 43 | (925) 578-8846 9255788846 | 1 |
| 44 | (925) 578-9495 9255789495 | 1 |
| 45 | (925) 578-0306 9255780306 | 1 |
| 46 | (925) 578-9564 9255789564 | 1 |
| 47 | (925) 578-0930 9255780930 | 1 |
| 48 | (925) 578-1732 9255781732 | 1 |
| 49 | (925) 578-1767 9255781767 | 1 |
| 50 | (925) 578-1778 9255781778 | 1 |
About This Prefix
Phone numbers starting with (925) 578 are part of the North American Numbering Plan (NANP). The first three digits (925) represent the Area Code (NPA), and the next three digits (578) represent the Central Office Code (NXX) or exchange.
- NPA (925) - Numbering Plan Area, identifies the geographic region
- NXX (578) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)