ZIP Codes in Mcallen, TX
Mcallen uses 3 ZIP codes, all in Hidalgo County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Mcallen ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 78501 | standard | Hidalgo | 58,935 |
| 78503 | standard | Hidalgo | 22,621 |
| 78504 | standard | Hidalgo | 63,094 |
Finding a ZIP+4 in Mcallen
Knowing which of these 3 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 Mcallen 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 Mcallen addresses and download it complete.