Aaronsburg (44)
Abbottstown (151)
Abington (1,112)
Ackermanville (1)
Acme (158)
Acosta (6)
Adah (8)
Adamsburg (35)
Adamstown (80)
Adamsville (13)
Addison (40)
Adrian (22)
Airville (93)
Akron (207)
Alba (6)
Albion (192)
Albrightsville (146)
Alburtis (154)
Alcoa Center (1)
Aldan (124)
Aldenville (1)
Aleppo (15)
Alexandria (115)
Aliquippa (1,205)
Allegheny (12)
Allenport (17)
Allensville (27)
Allentown (15,824)
Allenwood (77)
Allison (9)
Allison Park (1,051)
Allport (13)
Altoona (3,424)
Alum Bank (84)
Alverda (9)
Alverton (11)
Amberson (4)
Ambler (1,678)
Ambridge (616)
Amity (49)
Analomink (16)
Andalusia (2)
Andreas (70)
Anita (11)
Annville (507)
Antes Fort (8)
Apollo (577)
Aquashicola (1)
Arcadia (2)
Archbald (165)
Arcola (2)
Ardara (7)
Ardmore (1,255)
Arendtsville (24)
Aristes (5)
Armagh (36)
Armbrust (8)
Arnold (79)
Arnot (6)
Arona (13)
Artemas (15)
Ashfield (5)
Ashland (266)
Ashley (95)
Ashville (49)
Aspers (104)
Aspinwall (102)
Aston (861)
Atglen (128)
Athens (211)
Athens Township (1)
Atlantic (27)
Atlasburg (14)
Auburn (140)
Audubon (193)
Aultman (3)
Austin (72)
Avalon (19)
Avella (168)
Avis (55)
Avoca (195)
Avondale (366)
Avonmore (102)
Baden (286)
Bainbridge (92)
Bairdford (9)
Bakers Summit (1)
Bakerstown (54)
Bala Cynwyd (1,687)
Bally (85)
Bangor (728)
Barking (2)
Barnesboro (86)
Barnesville (74)
Barree (1)
Bart (10)
Barto (175)
Bartonsville (127)
Bath (578)
Bausman (3)
