What does letter O mean? Please visit slang and acronym directory on https://www.abbreviationfinder.org/dir/o/ for detailed meaning of all abbreviations beginning with O.

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Zip Code Map: O

Alphabetical listing of zip code directory starting with letter O. You may notice that some cities share exactly the same name but located within different states. For detail, please click on the link below to see each city beginning with O.

O Brien (FL)
O Brien (OR)
O Brien (TX)
O Fallon (IL)
O Fallon (MO)
O Kean (AR)
O Neals (CA)
Oacoma (SD)
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AL	AK	AZ	AR	CA
CO	CT	DE	FL	GA
HI	ID	IL	IN	IA
KS	KY	LA	ME	MD
MA	MI	MN	MS	MO
MT	NE	NV	NH	NJ
NM	NY	NC	ND	OH
OK	OR	PA	RI	SC
SD	TN	TX	UT	VT
VA	WA	DC	WV	WI
WY

AF	CU	ID	NA	SB
AL	CY	IR	NR	SO
AD	CZ	IQ	NP	ZA
AO	CD	IE	NL	KR
AG	DK	IL	NZ	SS
AR	FM	IT	NI	ES
AM	DJ	CI	NE	LK
AU	DM	JM	NG	SD
AT	DO	JP	KP	SR
AZ	TL	JO	MP	SZ
BS	EC	KZ	NO	SE
BH	EG	KE	OM	CH
BD	SV	KI	PK	SY
BB	GQ	KW	PW	TW
BV	ER	KG	PA	TJ
BE	EE	LA	PG	TZ
BZ	ET	LV	PY	TH
BJ	FO	LB	PE	TG
BT	FJ	LS	PH	TO
BO	FI	LR	PL	TT
BA	FR	LY	PT	TN
BW	GA	LI	QA	TR
BR	GM	LT	CG	TM
BN	GE	LU	RO	TV
BG	DE	MG	RU	UG
BF	GH	MW	RW	UA
MM	GR	MY	KN	AE
BI	GL	MV	LC	GB
KH	GD	ML	VC	US
CM	GT	MT	WS	UY
CA	GN	MH	SM	UZ
CV	GW	MR	ST	VU
CF	GY	MX	SA	VA
TD	HT	MD	SN	VE
CL	HN	MC	RS	VN
CN	HK	MN	SL	EH
CO	HU	ME	SG	YE
CR	IS	MA	SK	ZM
HR	IN	MZ	SI	ZW