This is a geographic number originating from Colorado (Denver, Boulder) that has been included in our database for tracking reports and caller information.
Our records indicate that this number has been reported 13 times. The most common reason for reports is Other.
Area code 303 serves Denver, Boulder, Colorado. This area code is in the Mountain time zone. Calls from this area code may originate from local businesses, services, or residents in that region.
Our database has collected 13 reports about calls from this number across 4 complaint categories:
When dealing with calls from this number:
| Complaint Type | Number of Complaints |
|---|---|
| Other | 9 |
| No Subject Provided | 2 |
| Dropped call or no message | 1 |
| Calls pretending to be government, businesses, or family and friends | 1 |
Complaints about (303) 256-1031 have been filed from 8 states. The most reports come from Las Vegas, NV 89115, Nevada (4 reports), Nevada (2 reports), Alabama (1 report).
| State | City | Reports |
|---|---|---|
| Nevada | Las Vegas, NV 89115 | 4 |
| Nevada | Not specified | 2 |
| Alabama | Not specified | 1 |
| Illinois | Milan | 1 |
| North Carolina | Jacksonville | 1 |
| New York | Miller Place | 1 |
| Wisconsin | Not specified | 1 |
| Arizona | Not specified | 1 |
| Ohio | Not specified | 1 |
The first complaint about (303) 256-1031 was recorded on September 13, 2023. The most recent report was filed on January 25, 2026. Peak activity occurred in October 2023 with 2 complaints.
| Month | Reports |
|---|---|
| Jan 2026 | 2 |
| Aug 2025 | 1 |
| May 2025 | 1 |
| Apr 2025 | 1 |
| Feb 2025 | 2 |
| Jan 2025 | 1 |
| Sep 2024 | 1 |
| May 2024 | 1 |
| Oct 2023 | 2 |
| Sep 2023 | 1 |
Of the 13 reports filed about (303) 256-1031, 77% were identified as automated robocalls, 23% were live callers.
This number has received a significant number of complaints. Consider these actions: