zip4lookup

ZIP Codes in Mertzon, TX

Mertzon uses 1 ZIP code, all in Irion County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.

Free. No account needed.

All 1 Mertzon ZIP codes

ZIPTypeCountyPopulation
76941 standard Irion 1,158

Finding a ZIP+4 in Mertzon

Knowing which of these 1 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Mertzon street almost always have different ZIP+4 codes even though they share all five leading digits.

Appending ZIP+4 to a mailing list?

Upload a CSV of Mertzon addresses and download it complete.

Bulk lookup API docs