A
- Abbott
- Abell
- Abell City
- Abercrombie
- Abercrombie
- Aberdeen
- Aberfoyle
- Abernathy
- Abilene
- Abington
- Abner
- Abram
- Academy
- Acala
- Acampo
- Ace
- Ackerly
- Acme
- Acton
- Acuff
- Acworth
- Ada
- Adair
- Adams
- Adams
- Adams Gardens
- Adam Store
- Adamsville
- Addicks
- Addielou
- Addison
- Add Ran
- Adell
- Adina
- Adkins
- Admiral
- Adobe Colonia
- Adobe Crossing
- Adobes
- Adora
- Adrian
- Adsul
- Advance
- Ady
- Aero Vista
- Afton
- Agnes
- Agua Dulce
- Agua Dulce
- Agua Dulce Ranch Number 1 Colonia
- Agua Nueva
- Aguilares
- Aiken
- Aiken Grove
- Aimee Acres Colonia
- Ainsworth
- Airport Addition Col
- Airport City
- Airport Road Additio
- Airville
- Alabama-Arkansas Colonia
- Alamo
- Alamo Alto
- Alamo Beach
- Alamo Heights
- Alamo Ranchettes Colonia
- Alamo Village
- Alanreed
- Alazan
- Alba
- Albany
- Albert
- Albion
- Alco
- Alderbranch
- Aldine
- Aledo
- Alejandrenas
- Aleman
- Alexander
- Alexanders Store
- Aley
- Alfalfa
- Alfred
- Alfredo Garza Colonia
- Algerita
- Algoa
- Alice
- Alice Acres
- Alief
- Allamoore
- Allen
- Allen Chapel
- Allendale
- Allenfarm
- Allenhurst
- Allen Point
- Alley
- Alleyton
- Alliance Hall
- Allison
- Allmon
- Allred
- Alma
- Almeda
- Almira
- Aloe
- Alpine
- Alsa
- Alsdorf
- Altair
- Alta Loma
- Alta Vista
- Alta Vista Colonia
- Alto
- Alto Bonito
- Alto Bonito Colonia
- Alto Colorado
- Altoga
- Alton
- Alton North
- Alto Real Colonia
- Alto Springs
- Altuda
- Alum
- Alum Creek
- Alvarado
- Alvery Junction
- Alvin
- Alvord
- Amanda
- Amargosa Colonia
- Amarillo
- Amaya Colonia
- Ambia
- Ambrose
- Amelia
- Ames
- Ames
- Amherst
- Amistad Acres
- Amistad Village
- Amity
- Ammannsville
- Ammans Crossing
- Amphion
- Anacacho
- Anadarko
- Anahuac
- Anarene
- Anchor
- Anchorage
- Ander
- Anderson
- Anderson Mill
- Anderson Ways
- Andice
- Andrews
- Angel City
- Angeles
- Angel Haven Colonia
- Angie Colonia
- Angler
- Angleton
- Angus
- Anhalt
- Anna
- Annarose
- Annaville
- Annetta
- Annetta North
- Annetta South
- Annona
- Ansley Place
- Anson
- Antelope
- Antelope Crossing
- Antelope Flats
- Antelope Gap
- Anthony
- Anthony Harbor
- Antioch
- Antioch
- Antioch
- Antioch
- Antioch
- Antioch
- Antioch
- Antioch
- Antioch
- Anton
- Apolonia
- Appelt Hill
- Appleby
- Apple Springs
- Aquilla
- Arah
- Aransas Pass
- Arbala
- Arbor
- Arbor
- Arcade
- Arcadia
- Arcadia Park
- Archer City
- Arcola
- Arden
- Ardis Heights
- Argenta
- Argo
- Argyle
- Arispe
- Arizona
- Arkansas City
- Arlam
- Arlie
- Arlington
- Armstrong
- Armstrong Landing
- Arneckeville
- Arnett
- Arney
- Arno
- Arnold
- Arp
- Arredondo Colonia
- Arroyo Alto
- Arroyo City Subdivision Colonia
- Arroyo Colorado Estates Colonia
- Arroyo Gardens Number 1 Colonia
- Art
- Artesia Wells
- Arthur City
- Arvana
- Asa
- Ascencion Park Estates Colonia
- Ash
- Ashby
- Asherton
- Ashland
- Ashmore
- Ashtola
- Ashwood
- Askew
- Aspermont
- Atascocita
- Atascosa
- Atascosito
- Atco
- Ater
- Athena West Colonia
- Athens
- Atlanta
- Atlas
- Atlee
- Atoy
- Atreco
- Attoyac
- Atwell
- Aubrey
- Augusta
- Augustus
- Aurora
- Aurora Longoria Colonia
- Austin
- Austonio
- Austwell
- Authon
- Avalon
- Avandale
- Avant Prairie
- Avenger Village
- Avery
- Avinger
- Avoca
- Avonak
- Avondale
- Axtell
- Azle