ZIP Code 78523 is located in Brownsville Texas. 78523 is entirely within Cameron County. Regionally, it is located in the Brownsville Area.
| ZIP Code Name | Brownsville |
| Primary County | Cameron County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 25.93153572,-97.49926758 |
| Adjacent ZIP Codes | |
| Region | Brownsville Area |
| Metropolitan/Micropolitan Stat Area | Brownsville-Harlingen, TX |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |