- Albury Manor
- Alcatraz
- Alco
- Alcoa
- Aldama Estates Colonia
- Alderbranch
- Aldine
- Aldine City
- Aldine Meadows
- Aledo
- Alejandrenas
- Aleman
- Alex Cavazos Colonia
- Alexander
- Alexander Island
- Alexander Landing
- Alexanders Store
- Aley
- Alfalfa
- Alfred
- Alfred Acres Colonia
- Alfred Hilltop Estates Colonia
- Alfred-South La Paloma
- Alfredo Garza Colonia
- Algerita
- Algoa
- Algodon Colonia
- Algodon Colonia
- Alice
- Alice Acres