In which county is ZIP code 73855 located?

ZIP 73855 is listed under Harper, OK.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 73855: Rosston, OK

ZIP: 73855

County: Harper

Coordinates: 36.87890, -99.90030

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 73855 in Rosston, OK. We include verified county details for Harper plus key geographic references used for mapping and logistics.

Primary City	Rosston
ZIP Code	73855
County	Harper
State	OK
Latitude / Longitude	36.87890, -99.90030
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 73855 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 73855 is approximately 36.87890 (latitude) and -99.90030 (longitude). This location sits within Harper, contributing to regional planning across OK.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 73855 for mail delivery and general location reference in Harper, OK.

Some addresses near Rosston may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Rosston within OK.

Frequently Asked Questions

What is the primary city for ZIP code 73855?

The primary city for this ZIP code is Rosston, located in OK.

In which county is 73855 located?

ZIP code 73855 is situated within Harper, OK.

What are the coordinates for 73855?

The approximate center point is 36.87890 (Latitude) and -99.90030 (Longitude).

Is ZIP code 73855 active?

This page lists ZIP 73855 as Listed based on the latest refresh date shown above.

Does ZIP 73855 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