ZIP Code 94623 in Oakland, CA

Data Last Updated: January 1, 2026
City:Oakland, California
County:Alameda County
Timezone:Pacific (GMT -08:00)
Local Time:11:04:30 PM
Population:No Population Data
Area Codes:341 / 415 / 510 / 628 / 925
Classification:PO Box
Coordinates:37.8046, -122.2699
Quick Link:
https://www.zip-codes.com/zip-code/94623/zip-code-94623.asp

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94623 - Oakland, CA

ZIP Code 94623, Oakland

Small Town Unique ZIP No Census Data
LocationAlameda County, CA
Area0 sq mi Single Point
Delivery Points745 (225 businesses)
PO Boxes520
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 94615
Key Facts
  • This is a PO Box ZIP code serving Oakland with 520 boxes available for rent
  • The facility handles mail for 225 businesses in the West Oakland area
  • Only one street address receives carrier delivery: 7TH ST with 87 unit-based delivery points
  • Most residents in this postal area receive street delivery through neighboring ZIP 94615
  • The single delivery route serves what appears to be a multi-unit building with 87 separate units

Postal Services

This isn't a standalone community but rather a specialized postal designation within the larger city of Oakland. Street delivery for most of the area happens through neighboring ZIP code 94615, which serves as the standard sibling ZIP for this address range. The single street route contains 87 delivery points, all with unit designations, suggesting a multi-unit building or complex at that location.

Street Name Patterns

Urban Grid Single Building Delivery

The ZIP contains just one street address for carrier delivery, suggesting this is primarily a PO Box facility serving the broader Oakland community rather than a residential delivery zone.

Nearby Areas

West Oakland South Prescott Prescott Acorn Industrial Army Base

Business & Employment Statistics


ZIP Code 94623 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:910Source: 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

Geography, Land Area, & Statistical Classifications


ZIP Code 94623 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 4,653,593 people, about 0.00% of whom live in ZIP Code 94623, 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:4,653,593Source: 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

Adjacent & Nearby ZIP Codes


94624 | | 94622

Schools in ZIP Code 94623


We could not locate which school district 94623 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.

Envision Academy For Arts & Technology 1515 Webster St.
Oakland, CA 94612
District: UnknownNearby
Oakland School For The Arts 530 18th St.
Oakland, CA 94612
District: UnknownNearby
Lincoln Elementary 225 11th St.
Oakland, CA 94607
District: Oakland Unified School DistrictNearby
Aims College Prep Middle 171 12th St.
Oakland, CA 94607
District: UnknownNearby
American Indian Public Charter II 171 12th St.
Oakland, CA 94607
District: UnknownNearby
Starlite Child Development Center 246 14th St
Oakland, CA 94612
District: Private SchoolNearby
St Paul's Day School 262 Grand Ave
Oakland, CA 94610
District: Private SchoolNearby
St Vincent's Day Home 1086 8th St
Oakland, CA 94607
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 94623


Lincoln University 401 15th Street
Oakland, CA 94612-2801
Type: Post Secondary
Academy Of Chinese Culture And Health Sciences 1600 Broadway, Ste. 200
Oakland, CA 94612
Type: Post Secondary
University Of California-System Administration Central Office 1111 Franklin St
Oakland, CA 94607-5200
Type: Post Secondary
Laney College 900 Fallon Sreet
Oakland, CA 94607
Type: Post Secondary
Peralta Community College System Office 333 E Eighth St
Oakland, CA 94606
Type: Post Secondary
Samuel Merritt University 3100 Telegraph Avenue
Oakland, CA 94609
Type: Post Secondary

Sources & References


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 January 1, 2026.

  1. U.S. Postal Service [Last Updated: 1/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 1/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 1/1/2026], https://nces.ed.gov