233 different phone numbers from 661-596-1000 to 661-596-1999 have been reported to the FTC, with 351 complaints in total. No single number in the block has more than 13 complaints, so looking up one number on its own understates how often this block appears in reports. 34% of the complaints describe "Other". Reports came from 18 states, most often California, Colorado and Washington. The earliest complaint on record is from December 28, 2023 and the most recent from July 14, 2026.
Complaints are filed by consumers with the FTC and are not verified. Callers often spoof numbers, so a number listed here may have been faked by a caller rather than used by the person or business it is assigned to. Many complaints spread across consecutive numbers can point to one calling operation rotating through a block, but this page does not identify who placed the calls. How we source this data.
| Complaint type | Reports | Share |
|---|---|---|
| Other | 121 | 34% |
| Dropped call or no message | 84 | 24% |
| No subject provided | 56 | 16% |
| Energy, solar, & utilities | 41 | 12% |
| Calls pretending to be government, businesses, or family and friends | 22 | 6% |
| Home improvement & cleaning | 15 | 4% |
| Reducing your debt (credit cards, mortgage, student loans) | 6 | 2% |
| Work from home & other ways to make money | 3 | 1% |
| California | 321 |
| Colorado | 5 |
| Washington | 3 |
| Texas | 3 |
| New York | 3 |
| Kansas | 2 |
Sorted by number of complaints.