What area code is Mill Valley, CA?
| City | Mill Valley, CA |
|---|---|
| State | California |
| Area codes | 415 and 628 |
| Time zone | Pacific Time |
| Phone prefixes | 23 in our data |
Look up a Mill Valley number
Mill Valley’s area codes
| Area code | Also covers |
|---|---|
| 415 | San Francisco, San Rafael, Novato and Sausalito |
| 628 | San Francisco, San Rafael, Novato and Belvedere |
Other places in area code 415
Questions
- What is the area code for Mill Valley, California?
- Mill Valley uses 2 area codes: 415 and 628. 415 is the original or most common one, and newer numbers can be given 628.
- What time zone is Mill Valley in?
- Mill Valley is in Pacific Time.
- Do I need to dial the area code for a local call in Mill Valley?
- Yes. Because Mill Valley has more than one area code, local calls need all 10 digits: the area code plus the 7-digit number.
- How do I call Mill Valley from another country?
- Dial your country’s exit code (011 from most places, 00 from Europe), then 1, then the area code and number: +1 415 XXX XXXX.