Notering byer (12 sted (er)). Velg byen for å se postnummeret (s):
| Oak Hill (1) Oakman (1) Odenville (1) Ohatchee (1) Oneonta (1) Opelika (4) | Opp (1) Orange Beach (1) Orrville (1) Owens Cross Roads (1) Oxford (1) Ozark (2) |
