In which county is ZIP code 12857 located?

ZIP 12857 is listed under Essex, NY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 12857: Olmstedville, NY

ZIP: 12857

County: Essex

Coordinates: 43.77990, -73.93350

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 12857 in Olmstedville, NY. We include verified county details for Essex plus key geographic references used for mapping and logistics.

Primary City	Olmstedville
ZIP Code	12857
County	Essex
State	NY
Latitude / Longitude	43.77990, -73.93350
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 12857 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 12857 is commonly represented around 43.77990, -73.93350. These coordinates help identify the general area within Essex, NY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 12857 for mail delivery and general location reference in Essex, NY.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Olmstedville within NY.

Frequently Asked Questions

What is the primary city for ZIP code 12857?

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

In which county is 12857 located?

ZIP code 12857 is situated within Essex, NY.

What are the coordinates for 12857?

The approximate center point is 43.77990 (Latitude) and -73.93350 (Longitude).

Is ZIP code 12857 active?

This page lists ZIP 12857 as Listed based on the latest refresh date shown above.

Does ZIP 12857 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