| City: | Oakland, California |
| County: | Alameda County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:53:30 AM |
| Population: | No Population Data |
| Area Codes: | 341 / 415 / 510 / 628 / 925 |
| Classification: | PO Box |
| Coordinates: | 37.8046, -122.2699 |
| Quick Link: |
ZIP 94661 serves the Montclair Business district in Oakland's hills, providing PO Box service for 131 boxes split between local residents and 78 businesses. The facility operates alongside regular street delivery in the area, which is handled through the neighboring 94611 ZIP code that covers Montclair's residential streets.
The post office sits along Mountain Boulevard, the commercial spine of this hillside neighborhood in Oakland's eastern reaches. Montclair functions as a small-town business district within the larger city, drawing customers from the surrounding Glen Highlands, Shepherd Canyon, and Merriwood neighborhoods. The PO Box setup reflects the preferences of local business owners who maintain boxes for commercial mail, while most residential delivery happens through standard carrier routes on the hill's winding streets.
Mountain Boulevard is the sole street in this ZIP's delivery area, serving as Montclair's main commercial strip through Oakland's eastern hills.
ZIP Code 94661 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 216Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 94661 is located in Alameda County, California, within the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area (CBSA 41860) and California's 12nd Congressional District. This Metro area has a population of 4,335,391 people, about 0.00% of whom live in ZIP Code 94661, 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: | 12Source: USPS |
| Congressional Land Area: | 38.97 sq miSource: Census |
| PMSA: | Oakland, CA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0653000Source: Census |
| Place Name: | Oakland city; CaliforniaSource: Census |
We could not locate which school district 94661 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.