| Zip Code | Primary City | Secondary City | | 78520 | Brownsville | Brownsville, Acacia Lake, Boca Chica, Bville, El Jardin, Keller Corner, Kennedy Shores, Palm Village, Palo Alto Battlefield Nation, Portway Acres, Villa Cavazos, Villa Nueva | | 78521 | Brownsville | | | 78522 | Brownsville | | | 78523 | Brownsville | | | 78526 | Brownsville | |
|