Phone Prefix
(657) 799-XXXX
CA • FULLERTON
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
FULLERTON
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Jan 07, 2021
Number Range
First Number
(657) 799-0000
Last Number
(657) 799-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
50 reports
50
Total FCC + FTC DNC complaints for numbers in this prefix
Top 45 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (657) 799-5749 6577995749 | 2 |
| 2 | (657) 799-4924 6577994924 | 2 |
| 3 | (657) 799-4979 6577994979 | 2 |
| 4 | (657) 799-5826 6577995826 | 2 |
| 5 | (657) 799-9956 6577999956 | 2 |
| 6 | (657) 799-4937 6577994937 | 1 |
| 7 | (657) 799-4942 6577994942 | 1 |
| 8 | (657) 799-4947 6577994947 | 1 |
| 9 | (657) 799-4948 6577994948 | 1 |
| 10 | (657) 799-4961 6577994961 | 1 |
| 11 | (657) 799-4980 6577994980 | 1 |
| 12 | (657) 799-5149 6577995149 | 1 |
| 13 | (657) 799-5150 6577995150 | 1 |
| 14 | (657) 799-5155 6577995155 | 1 |
| 15 | (657) 799-5167 6577995167 | 1 |
| 16 | (657) 799-5189 6577995189 | 1 |
| 17 | (657) 799-5202 6577995202 | 1 |
| 18 | (657) 799-5224 6577995224 | 1 |
| 19 | (657) 799-5690 6577995690 | 1 |
| 20 | (657) 799-5734 6577995734 | 1 |
| 21 | (657) 799-5760 6577995760 | 1 |
| 22 | (657) 799-5774 6577995774 | 1 |
| 23 | (657) 799-5780 6577995780 | 1 |
| 24 | (657) 799-5783 6577995783 | 1 |
| 25 | (657) 799-5787 6577995787 | 1 |
| 26 | (657) 799-5793 6577995793 | 1 |
| 27 | (657) 799-5813 6577995813 | 1 |
| 28 | (657) 799-5819 6577995819 | 1 |
| 29 | (657) 799-5827 6577995827 | 1 |
| 30 | (657) 799-5832 6577995832 | 1 |
| 31 | (657) 799-5953 6577995953 | 1 |
| 32 | (657) 799-7085 6577997085 | 1 |
| 33 | (657) 799-9150 6577999150 | 1 |
| 34 | (657) 799-9326 6577999326 | 1 |
| 35 | (657) 799-9348 6577999348 | 1 |
| 36 | (657) 799-3020 6577993020 | 1 |
| 37 | (657) 799-9789 6577999789 | 1 |
| 38 | (657) 799-9834 6577999834 | 1 |
| 39 | (657) 799-9876 6577999876 | 1 |
| 40 | (657) 799-9903 6577999903 | 1 |
| 41 | (657) 799-9633 6577999633 | 1 |
| 42 | (657) 799-4838 6577994838 | 1 |
| 43 | (657) 799-4923 6577994923 | 1 |
| 44 | (657) 799-4933 6577994933 | 1 |
| 45 | (657) 799-4936 6577994936 | 1 |
About This Prefix
Phone numbers starting with (657) 799 are part of the North American Numbering Plan (NANP). The first three digits (657) represent the Area Code (NPA), and the next three digits (799) represent the Central Office Code (NXX) or exchange.
- NPA (657) - Numbering Plan Area, identifies the geographic region
- NXX (799) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)