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Islip New York ZIP Codes

Islip holds a single ZIP code.

Every ZIP code in Islip

The complete list of Islip, New York ZIP codes with the county each falls in.
ZIP codeCounty
11751Suffolk 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Islip codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Islip. 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 Islip 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 Islip accounts for 1% of it.

Every New York ZIP prefix and the region it covers →

Area codes covering Islip

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 Islip occupies.

Islip New York area codes in full →

Where Islip's ZIP codes sit

Each point is one Islip ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Islip

The closest places to Islip with their own ZIP code list, nearest first.
CityDistanceZIP codes
Brightwaters New York ZIP codes2.6 mi1 ZIP code
Islandia New York ZIP codes5.8 mi1 ZIP code
Babylon New York ZIP codes6.3 mi1 ZIP code
Ocean Beach New York ZIP codes6.6 mi1 ZIP code
Lindenhurst New York ZIP codes8.7 mi1 ZIP code
Lake Grove New York ZIP codes10 mi1 ZIP code
Patchogue New York ZIP codes11 mi1 ZIP code
Amityville New York ZIP codes11 mi1 ZIP code

Straight-line distance between place reference points, not driving distance.