Holliston, MA Area Codes
Holliston is served by area codes 508 and 774. It is in Massachusetts, Middlesex County. About 15,094 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 508, 774 |
| State / province | Massachusetts |
| County | Middlesex County |
| Population | 15,094 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 42.1960, -71.4534 |
What area code is Holliston in?
ZIP codes in the code footprint
Nearby towns and their area codes
Medway 508, 774Milford 508, 774Ashland 508, 774Millis 508, 774Hopkinton 508, 774Medfield 508, 774Franklin 508, 774Natick 508, 774
How to dial
Dial 508 + 7 digits for a number in Holliston, or +1 508 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.