ZIP code 94023
Where is ZIP code 94023?
Los Altos, California
Santa Clara County · PO Box only ZIP code
ZIP code 94023 belongs to Los Altos, California in Santa Clara County. 94023 is a PO Box only ZIP code: it is used for post office boxes at the Los Altos post office, not for street addresses. It is in the Pacific Time zone and uses area code 650. The closest ZIP codes are 94022 (Los Altos, 0.7 mi west), 94040 (Mountain View, 1.4 mi east) and 94035 (Mountain View, 1.7 mi east).
| ZIP code | 94023 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Los Altos |
| State | California (CA) |
| County | Santa Clara County |
| Time zone | Pacific Time · now |
| Area code | 650 |
| Coordinates | 37.3852, -122.1141 map |
| 3-digit prefix | 940 |
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 94023
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94022 | Los Altos, CA | 0.7 mi W | Standard |
| 94040 | Mountain View, CA | 1.4 mi E | Standard |
| 94035 | Mountain View, CA | 1.7 mi E | PO Box only |
| 94039 | Mountain View, CA | 1.7 mi E | PO Box only |
| 94042 | Mountain View, CA | 1.7 mi E | PO Box only |
| 94041 | Mountain View, CA | 2 mi E | Standard |
| 94306 | Palo Alto, CA | 2.4 mi N | Standard |
| 94043 | Mountain View, CA | 2.5 mi NE | Standard |
| 94024 | Los Altos, CA | 2.6 mi SE | Standard |
| 94305 | Stanford, CA | 3.7 mi NW | Standard |
| 94302 | Palo Alto, CA | 4.2 mi N | PO Box only |
| 94309 | Palo Alto, CA | 4.2 mi N | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94023 or measure the distance to another ZIP code.
How to address mail to 94023
PO BOX 123
LOS ALTOS CA 94023
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94023-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Los Altos, CA
All Los Altos ZIP codes with population and income →
Questions
- What city is ZIP code 94023?
- 94023 is a Los Altos, California ZIP code.
- What county is 94023 in?
- ZIP code 94023 is in Santa Clara County, California.
- What time zone is ZIP code 94023 in?
- 94023 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94023?
- Phone numbers in ZIP code 94023 use area code 650.
- Can I use 94023 for a street address?
- No. 94023 is only for PO Boxes. Street addresses in Los Altos use 94022, 94024.
- What ZIP codes are near 94023?
- The nearest ZIP codes to 94023 are 94022 (Los Altos, 0.7 miles), 94040 (Mountain View, 1.4 miles), 94035 (Mountain View, 1.7 miles) and 94039 (Mountain View, 1.7 miles).