Hillsboro, OR Area Codes
Hillsboro is served by area codes 503 and 971. It is in Oregon, Washington County. About 102,767 people live in its 3 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 503, 971 |
| State / province | Oregon |
| County | Washington County |
| Population | 102,767 |
| ZIP codes | 3 |
| Time zone | Pacific |
| Coordinates | 45.5174, -122.9624 |
What area code is Hillsboro in?
ZIP codes in the code footprint
Nearby towns and their area codes
Cornelius 503, 971Beaverton 503, 971Forest Grove 503, 971Sherwood 503, 971Newberg 503, 971Tualatin 503, 971Portland 503, 971Lake Oswego 503, 971
How to dial
Dial 503 + 7 digits for a number in Hillsboro, or +1 503 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.