Port Jefferson New York ZIP Codes
Port Jefferson holds a single ZIP code.
Every ZIP code in Port Jefferson
| ZIP code | County |
|---|---|
| 11777 | Suffolk County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Port Jefferson codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Port Jefferson. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Port Jefferson ZIP code begins 117. Those first three digits identify the sectional center facility that processes mail for this part of New York. Statewide that range covers 82 ZIP codes, so Port Jefferson accounts for 1% of it.
Every New York ZIP prefix and the region it covers →
Area codes covering Port Jefferson
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Port Jefferson occupies.
Port Jefferson New York area codes in full →
Where Port Jefferson's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Port Jefferson
| City | Distance | ZIP codes |
|---|---|---|
| Lake Grove New York ZIP codes | 6.7 mi | 1 ZIP code |
| Shoreham New York ZIP codes | 7.7 mi | 1 ZIP code |
| Medford New York ZIP codes | 9.0 mi | 1 ZIP code |
| Yaphank New York ZIP codes | 10 mi | 1 ZIP code |
| Islandia New York ZIP codes | 11 mi | 1 ZIP code |
| Patchogue New York ZIP codes | 13 mi | 1 ZIP code |
| Bellport New York ZIP codes | 14 mi | 1 ZIP code |
| Northport New York ZIP codes | 16 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.