In which county is ZIP code 12743 located?

ZIP 12743 is listed under Sullivan, NY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 12743: Highland Lake, NY

ZIP: 12743

County: Sullivan

Coordinates: 41.53090, -74.85160

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 12743 in Highland Lake, NY. We include verified county details for Sullivan plus key geographic references used for mapping and logistics.

Primary City	Highland Lake
ZIP Code	12743
County	Sullivan
State	NY
Latitude / Longitude	41.53090, -74.85160
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 12743 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 12743 are listed as 41.53090 / -74.85160, useful for GPS and service checks in and around Highland Lake, NY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 12743 for mail delivery and general location reference in Sullivan, NY.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Highland Lake.

Related ZIP Codes (Nearby)

Explore other postal codes near Highland Lake within NY.

Frequently Asked Questions

What is the primary city for ZIP code 12743?

The primary city for this ZIP code is Highland Lake, located in NY.

In which county is 12743 located?

ZIP code 12743 is situated within Sullivan, NY.

What are the coordinates for 12743?

The approximate center point is 41.53090 (Latitude) and -74.85160 (Longitude).

Is ZIP code 12743 active?

This page lists ZIP 12743 as Listed based on the latest refresh date shown above.

Does ZIP 12743 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08