| State | Colorado |
|---|---|
| Primary Location | |
| Time Zone | Mountain Time |
| Introduced | 2025 |
| Overlay | 970 |
Area code 748 serves Colorado in US. The area code entered service in 2025. It uses the Mountain time zone.
Area code 748 shares geographic coverage with 970 in an overlay arrangement.
The directory below expands on the numbering range with recorded carrier assignments, locations, prefix-level report counts and community reports where those records are available.
Area code 748 shares its geographic coverage with other area codes in an overlay arrangement. Related area codes listed for this numbering area include 970.
Numbers assigned to area code 748 use the Mountain time zone. The area code identifies a general numbering region, but it does not identify the current owner of a phone number or establish whether a caller is trustworthy.
Area code 748 is a legitimate telephone area code serving Colorado. An area code by itself does not indicate that a call is legitimate or fraudulent. Individual numbers can be used by residents, businesses, organizations, telemarketers or scammers.
Our database contains 1 community report associated with phone numbers using area code 748. These reports are grouped by the type of call reported by users.
| Report Category | Reports |
|---|---|
| Unknown Caller | 1 |
The category with the highest recorded report count is Unknown Caller with 1 report.
Community reports describe individual experiences with specific phone numbers. They should not be used to judge every number in area code 748. If you receive an unexpected call, checking the complete number and its available reports is more useful than relying on the area code alone.
| Company | Prefix % |
|---|---|
| MULTIPLE OCN LISTING | 100.00% |
| Prefix | Company | Location | Reports |
|---|---|---|---|
| 748-211 | MULTIPLE OCN LISTING | - | No reports |
| 748-311 | MULTIPLE OCN LISTING | - | No reports |
| 748-411 | MULTIPLE OCN LISTING | - | No reports |
| 748-511 | MULTIPLE OCN LISTING | - | No reports |
| 748-555 | MULTIPLE OCN LISTING | Direct Assistance | No reports |
| 748-611 | MULTIPLE OCN LISTING | - | No reports |
| 748-700 | MULTIPLE OCN LISTING | - | No reports |
| 748-711 | MULTIPLE OCN LISTING | - | No reports |
| 748-811 | MULTIPLE OCN LISTING | - | No reports |
| 748-911 | MULTIPLE OCN LISTING | - | No reports |
| 748-950 | MULTIPLE OCN LISTING | - | No reports |
| 748-958 | MULTIPLE OCN LISTING | - | No reports |
| 748-959 | MULTIPLE OCN LISTING | - | No reports |
| 748-976 | MULTIPLE OCN LISTING | - | No reports |
Area code 748 serves Colorado in US. The area code entered service in 2025. It uses the Mountain time zone.
Area code 748 uses the Mountain time zone.
Area code 748 entered service in 2025 as part of the North American Numbering Plan (NANP).
An area code alone cannot determine whether an individual call is legitimate or fraudulent. Check the complete phone number and any available community reports.
Search the complete phone number on WhoCalledUSA to check available caller information and community reports.
The available numbering record lists 970 as related overlay area code.
Category: Unknown Caller
received a lot of calls from this number. they do not leave a message.