ZIP code 93440
Where is ZIP code 93440?
Los Alamos, California
Santa Barbara County · PO Box only ZIP code
ZIP code 93440 belongs to Los Alamos, California in Santa Barbara County. 93440 is a PO Box only ZIP code: it is used for post office boxes at the Los Alamos post office, not for street addresses. It is in the Pacific Time zone and uses area codes 805 and 820. About 1,185 people live in the 93440 area, where the median household income is $79,167. The closest ZIP codes are 93463 (Solvang, 7 mi south), 93464 (Solvang, 7.2 mi southeast) and 93441 (Los Olivos, 7.4 mi southeast).
| ZIP code | 93440 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Los Alamos |
| State | California (CA) |
| County | Santa Barbara County |
| Time zone | Pacific Time · now |
| Area codes | 805, 820 |
| Coordinates | 34.7457, -120.2049 map |
| 3-digit prefix | 934 |
Population and income in 93440
| Population | 1,185 · lower than 78% of California ZIP codes |
|---|---|
| People per square mile | 27 · lower than 81% of California ZIP codes |
| Median age | 58.1 years · higher than 91% of California ZIP codes |
| Men / women | 45% / 55% |
| Median household income | $79,167 · lower than 65% of California ZIP codes |
| Income per person | $41,997 |
| Below the poverty line | 4.1% |
| Bachelor’s degree or higher | 17% of adults 25+ |
| Median home value | $831,300 · higher than 65% of California ZIP codes |
| Median rent | $2,882 a month |
| Housing units | 697 |
| Households | 542 (2.11 people on average) |
| Owners / renters | 75% / 26% |
| Land area | 44.09 sq mi (plus 0.04 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 93440. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 93440
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 93463 | Solvang, CA | 7 mi S | Standard |
| 93464 | Solvang, CA | 7.2 mi SE | PO Box only |
| 93441 | Los Olivos, CA | 7.4 mi SE | PO Box only |
| 93427 | Buellton, CA | 8.7 mi S | Standard |
| 93460 | Santa Ynez, CA | 11.3 mi SE | Standard |
| 93455 | Santa Maria, CA | 13.8 mi NW | Standard |
| 93436 | Lompoc, CA | 15.2 mi SW | Standard |
| 93438 | Lompoc, CA | 16.1 mi SW | PO Box only |
| 93437 | Lompoc, CA | 17.7 mi W | Standard |
| 93454 | Santa Maria, CA | 19.4 mi NW | Standard |
| 93456 | Santa Maria, CA | 19.4 mi NW | PO Box only |
| 93457 | Santa Maria, CA | 19.4 mi NW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 93440 or measure the distance to another ZIP code.
How to address mail to 93440
PO BOX 123
LOS ALAMOS CA 93440
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (93440-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 93440?
- 93440 is a Los Alamos, California ZIP code.
- What county is 93440 in?
- ZIP code 93440 is in Santa Barbara County, California.
- What time zone is ZIP code 93440 in?
- 93440 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 93440?
- Phone numbers in ZIP code 93440 use area codes 805 and 820.
- What is the population of ZIP code 93440?
- About 1,185 people live in ZIP code 93440, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 93440?
- The median household income in 93440 is $79,167 a year, lower than 65% of California ZIP codes.
- Can I use 93440 for a street address?
- No. 93440 is only for PO Boxes. Street addresses in Los Alamos use another ZIP code.
- What ZIP codes are near 93440?
- The nearest ZIP codes to 93440 are 93463 (Solvang, 7 miles), 93464 (Solvang, 7.2 miles), 93441 (Los Olivos, 7.4 miles) and 93427 (Buellton, 8.7 miles).