U.S. state
Colorado area codes
Colorado has 6 area codes in service in 3 separate areas: some codes split the map, others overlay it. The newest is 748 (since July 7, 2025).
Local time in Colorado
Spam reports from Sep 23 – Oct 22, 2026
3,700 FTC complaints
Consumer reports, not verified by the FTC.
By area code- Codes6
- Code areas3
- Newest748 · 2025
- ComingNone listed
- Time zoneMountain Time
The 3 code areas
Codes in one card share the same territory (overlay). FTC reports from Sep 23 – Oct 22, 2026; runs out: NANPA forecast.
| Codes | Main place | FTC reports | Runs out | Codes |
|---|---|---|---|---|
| Denver, CO | 1,951 | 2069 | 3 | |
| Fort Collins, CO | 920 | 2088 | 2 | |
| Colorado Springs, CO | 829 | 2035 | 1 |
| Code | Main place | Since | Overlay with | Runs out | FTC reports |
|---|---|---|---|---|---|
| 303 | Denver, CO | 1947 | 720, 983 | 2069 | 816 |
| 719 | Colorado Springs, CO | Mar 5, 1988 | — | 2035 | 829 |
| 720 | Denver, CO | Jun 1, 1998 | 303, 983 | 2069 | 991 |
| 748 | Colorado | Jul 7, 2025 | 970 | 2088 | 0 |
| 970 | Fort Collins, CO | Apr 2, 1995 | 748 | 2088 | 920 |
| 983 | Denver, CO | Jun 17, 2022 | 303, 720 | 2069 | 144 |
Source: NANPA NRUF forecast, April 2026 edition.
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 23 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Spam call reports by area code
FTC complaints, Sep 23 – Oct 22, 2026
| Area code | Complaints | |
|---|---|---|
| 720 Denver | 991 | |
| 970 Fort Collins | 920 | |
| 719 Colorado Springs | 829 | |
| 303 Denver | 816 | |
| 983 Denver | 144 | |
| 748 | 0 |
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 23 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Changes coming
NANPA lists no relief planning or new code for Colorado.
Source: NANPA, NPA database of Oct 24, 2026.