- Agua Dulce Colonia
- Akin Development Colonia
- Ala Blanca Colonia Number 1
- Ala Blanca Colonia Number 2
- Ala Blanca Colonia Number 3
- Ala Blanca Colonia Number 4
- Ala Blanca Norte Number 1 Colonia
- Ala Blanca Norte Number 2 Colonia
- Ala Blanca Norte Number 3 Colonia
- Ala Blanca Norte Number 4 Colonia
- Alamo Orchards Colonia
- Alamo Rose RV Resort Colonia
- Alberta Acres Colonia
- Alberta Estates Number 2 Colonia
- Albino Rodriguez Estates Colonia
- Alex Cavazos Colonia
- Alma Colonia
- Aloha Village Colonia
- Alsonia Colonia
- Alta Vista Colonia
- Altamira West Number 2 Colonia
- Alton North (historical)
- Alturas de Azahares Colonia
- Alvacan Colonia
- Alysonders Estates Colonia
- Amber Land Colonia
- Americana Colonia
- Americana Grove Colonia
- Americana Grove Number 2 Colonia
- Amigo Park Colonia Number 1