In which county is ZIP code 73550 located?

ZIP 73550 is listed under Harmon, OK.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 73550: Hollis, OK

ZIP: 73550

County: Harmon

Coordinates: 34.69530, -99.91770

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 73550, serving Hollis in OK. It lies in Harmon and supports delivery, planning, and address verification.

Primary City	Hollis
ZIP Code	73550
County	Harmon
State	OK
Latitude / Longitude	34.69530, -99.91770
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 73550 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 73550 is commonly represented around 34.69530, -99.91770. These coordinates help identify the general area within Harmon, OK.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 73550 for mail delivery and general location reference in Harmon, OK.

This ZIP may extend beyond the city core into nearby communities within Harmon.

Related ZIP Codes (Nearby)

Explore other postal codes near Hollis within OK.

Frequently Asked Questions

What is the primary city for ZIP code 73550?

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

In which county is 73550 located?

ZIP code 73550 is situated within Harmon, OK.

What are the coordinates for 73550?

The approximate center point is 34.69530 (Latitude) and -99.91770 (Longitude).

Is ZIP code 73550 active?

This page lists ZIP 73550 as Listed based on the latest refresh date shown above.

Does ZIP 73550 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