- Armstrong Place
- Ashford Forest
- Ashford Park
- Ashford Village
- Atascocita Acres
- Atascocita Forest
- Atascocita South
- Atascocita Timber
- Atascocita West
- Audubon Park
- Autumn Run
- Avonak
- Antelope Crossing
- Ater
- Ada
- Adams Oaks
- Aley
- Antioch
- A and E Ramirez Colonia
- A and E Ramirez Colonia Number 2
- Abram
- Abram North Colonia
- Abram-Perezville
- Acacia Colonia
- Acevedo Colonia Number 4
- Acevedo Number 3 Colonia
- Acosta Colonia
- Acre Tract Colonia
- Adam Lee Colonia
- Adkins Colonia