314
Missouri (MO)
By Area Code
By State
All
200
300
400
500
600
700
800
900
Cities Covered by
314
Area Code
Imperial
Bridgeton
Rolla
Chesterfield
Florissant
High Ridge
Lake Saint Louis
Jefferson City
Ozark
Robertsville
House Springs
Barnhart
Kansas City
Pacific
Columbia
Saint Charles
Kewanee
Ballwin
Fenton
Kimmswick
Arnold
Villa Ridge
Cedar Hill
Elsah
Wentzville
Eureka
Saint Peters
Washington
Fort Leonard Wood
Maryland Heights
Valley Park
Hazelwood
Frohna
Saint Ann
Gray Summit
Union
De Soto
Crystal City
Grover
Saint Louis
Gravois Mills
Farmington
Westchester
Earth City
Warrenton
Saint Clair
O Fallon
Related Area Codes
314
,
573
,
636
,
417
,
618
,
630
,
708
,
816
,
913