| City: | Moraga, California |
| County: | Contra Costa County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:52:52 AM |
| Population: | No Population Data |
| Area Code: | 925 |
| Classification: | PO Box |
| Coordinates: | 37.8353, -122.1287 |
| Quick Link: |
ZIP code 94570 serves as a specialized PO Box facility for Moraga, California, in Contra Costa County. This isn't a geographic area with its own population. Instead, it operates as a point location within the larger Moraga community, which receives street delivery through ZIP code 94556.
The post office maintains 192 PO Boxes alongside 158 business delivery points. While Moraga as a whole has extensive street delivery, some residents and businesses prefer the convenience of PO Box service. A single city carrier route serves Center Street, where 40 delivery points include unit designators, likely representing the post office facility itself or an adjacent commercial center.
This ZIP was classified as PO Box service before October 2004, when modern tracking began. The classification persists as legacy database metadata even though Moraga has full street delivery infrastructure. Residents can choose between PO Box service at 94570 or street delivery at 94556, making Moraga unusual among California communities in offering both options under separate ZIP codes.
The post office serves several Moraga neighborhoods within a short distance, including Ascot Drive Area, Carroll Ranch, Moraga Place, Woodminster, and the Rheem Boulevard Area, all located within 0.3 miles of the facility.
To mail to a PO Box at this location, use:
PO Box [number]
Moraga, CA 94570For street addresses in Moraga, use ZIP code 94556 instead.
Only one street (Center St) appears in the ZIP+4 data with unit designators, suggesting delivery to the post office building or an adjacent facility.
ZIP Code 94570 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 5 people with an annual payroll of $328,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 340Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 5Source: CBP |
| 1st Quarter Payroll: | $57,000Source: CBP |
| Annual Payroll: | $328,000Source: CBP |
| # of Employees: | 5Source: CBP |
ZIP Code 94570 is located in Contra Costa County, California, within the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area (CBSA 41860) and California's 10th Congressional District. This Metro area has a population of 4,335,391 people, about 0.00% of whom live in ZIP Code 94570, and is subdivided into the Oakland-Fremont-Berkeley, CA division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | San Francisco-Oakland-Fremont, CASource: Census |
| CBSA Number: | 41860Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Oakland-Fremont-Berkeley, CA (CBSA Div 36084)Source: Census |
| CBSA Population: | 4,335,391Source: Census |
| MSA: | San Francisco-Oakland-San Jose, CA CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 10Source: USPS |
| Congressional Land Area: | 1818.79 sq miSource: Census |
| PMSA: | Oakland, CA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0649187Source: Census |
| Place Name: | Moraga town; CaliforniaSource: Census |
We could not locate which school district 94570 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.