983 Area Code
Colorado, USA
Local time now · Mountain Time
1:45 AM
Area code 983 is in Colorado, USA, serving Arvada, Highlands Ranch, Sherrelwood and Welby. It uses Mountain Time — the time there now is 1:45 AM. 303 and 720 are overlays for the same area, so local calls need 10-digit dialing. In service since 2022.
| Area code | 983 |
|---|---|
| Location | Colorado, USA |
| Major cities | Arvada, Highlands Ranch, Sherrelwood, Welby, Berkley |
| Time zone | Mountain Time |
| Overlay codes | 303, 720 |
| In service since | 2022 |
| Dialing | 1+10 permissible at service providers discretion |
Other area codes in Colorado
Time zone converterAll area codes
Frequently asked questions
Where is area code 983?
Colorado, USA — including Arvada, Highlands Ranch, Sherrelwood, Welby and Berkley.
What time zone is area code 983?
Mountain Time.
How do I call a 983 number from abroad?
Dial your international access code, then 1 (the country code), then 983 and the 7-digit number — for example +1 983 555 0100. From the UK or India dial 00 1 983 …; from Bangladesh 00 1 983 … .
Is a call from 983 a scam?
Not by itself — 983 is an ordinary geographic area code in Colorado. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.