In which county is ZIP code 74856 located?

ZIP 74856 is listed under Johnston, OK.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 74856: Mill Creek, OK

ZIP: 74856

County: Johnston

Coordinates: 34.30980, -96.78840

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Mill Creek, OK postal area 74856. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Mill Creek
ZIP Code	74856
County	Johnston
State	OK
Latitude / Longitude	34.30980, -96.78840
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 74856 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 74856 is commonly represented around 34.30980, -96.78840. These coordinates help identify the general area within Johnston, OK.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 74856 for mail delivery and general location reference in Johnston, OK.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Mill Creek within OK.

Frequently Asked Questions

What is the primary city for ZIP code 74856?

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

In which county is 74856 located?

ZIP code 74856 is situated within Johnston, OK.

What are the coordinates for 74856?

The approximate center point is 34.30980 (Latitude) and -96.78840 (Longitude).

Is ZIP code 74856 active?

This page lists ZIP 74856 as Listed based on the latest refresh date shown above.

Does ZIP 74856 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