What city is ZIP code 94623?

94623 is a Oakland, California ZIP code.

What county is 94623 in?

ZIP code 94623 is in Alameda County, California.

What time zone is ZIP code 94623 in?

94623 is in the Pacific Time zone (America/Los_Angeles).

What area code is 94623?

Phone numbers in ZIP code 94623 use area code 510.

Can I use 94623 for a street address?

No. 94623 is only for PO Boxes. Street addresses in Oakland use 94601, 94602, 94603.

What ZIP codes are near 94623?

The nearest ZIP codes to 94623 are 94604 (Oakland, 0 miles), 94624 (Oakland, 0 miles), 94649 (Oakland, 0 miles) and 94659 (Oakland, 0 miles).

ZIP code 94623

Where is ZIP code 94623?

Oakland, California

Alameda County · PO Box only ZIP code

ZIP code 94623 belongs to Oakland, California in Alameda County. 94623 is a PO Box only ZIP code: it is used for post office boxes at the Oakland post office, not for street addresses. It is in the Pacific Time zone and uses area code 510. The closest ZIP codes are 94604 (Oakland, 0 mi north), 94624 (Oakland, 0 mi north) and 94649 (Oakland, 0 mi north).

ZIP code	94623
Type	PO Box only (no street delivery)
Status	Active
City	Oakland
State	California (CA)
County	Alameda County
Time zone	Pacific Time · now
Area code	510
Coordinates	37.8044, -122.2708 map
3-digit prefix	946

The Census Bureau doesn’t publish population figures for po box only ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.

ZIP codes near 94623

ZIP code	City	Distance	Type
94604	Oakland, CA	0 mi N	PO Box only
94624	Oakland, CA	0 mi N	PO Box only
94649	Oakland, CA	0 mi N	Unique
94659	Oakland, CA	0 mi N	Unique
94660	Oakland, CA	0 mi N	Unique
94661	Oakland, CA	0 mi N	PO Box only
94666	Oakland, CA	0 mi N	Unique
94617	Oakland, CA	0.2 mi N	Standard
94612	Oakland, CA	0.4 mi NE	Standard
94607	Oakland, CA	0.8 mi W	Standard
94610	Oakland, CA	1.6 mi E	Standard
94615	Oakland, CA	1.6 mi W	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94623 or measure the distance to another ZIP code.

How to address mail to 94623

JANE SMITH
PO BOX 123
OAKLAND CA 94623

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94623-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Oakland, CA

All Oakland ZIP codes with population and income →

Questions

What city is ZIP code 94623?: 94623 is a Oakland, California ZIP code.
What county is 94623 in?: ZIP code 94623 is in Alameda County, California.
What time zone is ZIP code 94623 in?: 94623 is in the Pacific Time zone (America/Los_Angeles).
What area code is 94623?: Phone numbers in ZIP code 94623 use area code 510.
Can I use 94623 for a street address?: No. 94623 is only for PO Boxes. Street addresses in Oakland use 94601, 94602, 94603.
What ZIP codes are near 94623?: The nearest ZIP codes to 94623 are 94604 (Oakland, 0 miles), 94624 (Oakland, 0 miles), 94649 (Oakland, 0 miles) and 94659 (Oakland, 0 miles).