ZIP code 95431
Where is ZIP code 95431?
Eldridge, California
Sonoma County · PO Box only ZIP code
ZIP code 95431 belongs to Eldridge, California in Sonoma County. 95431 is a PO Box only ZIP code: it is used for post office boxes at the Eldridge post office, not for street addresses. It is in the Pacific Time zone and uses area code 707. About 43 people live in the 95431 area. The closest ZIP codes are 95442 (Glen Ellen, 1.3 mi north), 95416 (Boyes Hot Springs, 2.8 mi southeast) and 95433 (El Verano, 3.7 mi south).
| ZIP code | 95431 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Eldridge |
| State | California (CA) |
| County | Sonoma County |
| Time zone | Pacific Time · now |
| Area code | 707 |
| Coordinates | 38.3488, -122.5108 map |
| 3-digit prefix | 954 |
Population and income in 95431
| Population | 43 · lower than 98% of California ZIP codes |
|---|---|
| People per square mile | 358 · lower than 58% of California ZIP codes |
| Median age | 57.4 years · higher than 90% of California ZIP codes |
| Men / women | 79% / 21% |
| Income per person | $0 |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Housing units | 0 |
| Households | 0 |
| Land area | 0.12 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 95431. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 95431
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 95442 | Glen Ellen, CA | 1.3 mi N | Standard |
| 95416 | Boyes Hot Springs, CA | 2.8 mi SE | PO Box only |
| 95433 | El Verano, CA | 3.7 mi S | PO Box only |
| 95476 | Sonoma, CA | 4.9 mi SE | Standard |
| 95452 | Kenwood, CA | 5.3 mi NW | Standard |
| 95487 | Vineburg, CA | 6.6 mi SE | PO Box only |
| 94951 | Penngrove, CA | 7.8 mi W | Standard |
| 94562 | Oakville, CA | 8.6 mi NE | PO Box only |
| 94954 | Petaluma, CA | 8.8 mi SW | Standard |
| 94599 | Yountville, CA | 8.9 mi NE | Standard |
| 94573 | Rutherford, CA | 9 mi NE | PO Box only |
| 94999 | Petaluma, CA | 9.8 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 95431 or measure the distance to another ZIP code.
How to address mail to 95431
PO BOX 123
ELDRIDGE CA 95431
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (95431-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 95431?
- 95431 is a Eldridge, California ZIP code.
- What county is 95431 in?
- ZIP code 95431 is in Sonoma County, California.
- What time zone is ZIP code 95431 in?
- 95431 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 95431?
- Phone numbers in ZIP code 95431 use area code 707.
- What is the population of ZIP code 95431?
- About 43 people live in ZIP code 95431, according to the Census Bureau’s American Community Survey (2020–2024).
- Can I use 95431 for a street address?
- No. 95431 is only for PO Boxes. Street addresses in Eldridge use another ZIP code.
- What ZIP codes are near 95431?
- The nearest ZIP codes to 95431 are 95442 (Glen Ellen, 1.3 miles), 95416 (Boyes Hot Springs, 2.8 miles), 95433 (El Verano, 3.7 miles) and 95476 (Sonoma, 4.9 miles).