ZIP Codes in Brownsville, TX
Brownsville uses 3 ZIP codes, all in Cameron County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Brownsville ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 78520 | standard | Cameron | 64,740 |
| 78521 | standard | Cameron | 87,380 |
| 78526 | standard | Cameron | 60,012 |
Finding a ZIP+4 in Brownsville
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 Brownsville street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
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