Port Jefferson, NY Area Codes
Port Jefferson is served by area codes 631 and 934. It is in New York, Suffolk County. About 9,396 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 631, 934 |
| State / province | New York |
| County | Suffolk County |
| Population | 9,396 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 40.9561, -73.0667 |
What area code is Port Jefferson in?
ZIP codes in the code footprint
Nearby towns and their area codes
East Setauket 631, 934Mount Sinai 631, 934Port Jefferson Station 516, 631, 934Stony Brook 631, 934Miller Place 631, 934Centereach 516, 631, 934Selden 516, 631, 934Coram 516, 631, 934
How to dial
Dial 631 + 7 digits for a number in Port Jefferson, or +1 631 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.