In which county is ZIP code 73556 located?

ZIP 73556 is listed under Jackson, OK.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 73556: Martha, OK

ZIP: 73556

County: Jackson

Coordinates: 34.72530, -99.38700

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Martha, OK postal area 73556. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Martha
ZIP Code	73556
County	Jackson
State	OK
Latitude / Longitude	34.72530, -99.38700
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 73556 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 73556 are listed as 34.72530 / -99.38700, useful for GPS and service checks in and around Martha, OK.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 73556 for mail delivery and general location reference in Jackson, OK.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Martha within OK.

Frequently Asked Questions

What is the primary city for ZIP code 73556?

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

In which county is 73556 located?

ZIP code 73556 is situated within Jackson, OK.

What are the coordinates for 73556?

The approximate center point is 34.72530 (Latitude) and -99.38700 (Longitude).

Is ZIP code 73556 active?

This page lists ZIP 73556 as Listed based on the latest refresh date shown above.

Does ZIP 73556 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