ZIP Code 94543 in Hayward, CA

Data Last Updated: February 1, 2026
City:Hayward, California
County:Alameda County
Timezone:Pacific (GMT -08:00)
Local Time:9:52:33 AM
Population:No Population Data
Area Codes:341 / 510 / 925
Classification:PO Box
Coordinates:37.6687, -122.0799
Quick Link:
https://www.zip-codes.com/zip-code/94543/zip-code-94543.asp

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94543 - Hayward, CA

ZIP Code 94543, Hayward

Small Town Unique ZIP No Census Data
LocationAlameda County, CA
Area0 sq mi Single Point
Delivery Points300 (89 businesses)
PO Boxes211
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 94541
Key Facts
  • This ZIP code contains only PO Boxes with no residential street delivery routes
  • 211 PO Boxes serve the Downtown Hayward area of the San Francisco Bay Area
  • 89 business boxes indicate commercial use of PO Box services at this location
  • The postal records reference only one street (C Street) with 43 delivery records
  • Most Hayward residents receive street delivery from neighboring ZIP 94541, which encompasses this location

Postal Operations

Hayward residents at this location receive mail exclusively through PO Boxes, though most of the surrounding Hayward area has standard street delivery through neighboring ZIPs like 94541. The facility operates as a purely PO Box operation with no carrier routes of its own. With just one street name appearing in postal records (C Street), the ZIP's footprint is minimal, functioning as a mail hub rather than a residential delivery zone.

Street Name Patterns

Minimal Street Presence

Only one street appears in postal records for this ZIP, reflecting its function as a PO Box facility rather than a residential delivery area.

Nearby Areas

Downtown Hayward Mission - Foothill North Hayward Burbank Jackson Triangle

Business & Employment Statistics


ZIP Code 94543 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:1,155Source: 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 94543 is located in Alameda County, California, within the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area (CBSA 41860) and California's 14th Congressional District. This Metro area has a population of 4,335,391 people, about 0.00% of whom live in ZIP Code 94543, 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:14Source: USPS
Congressional Land Area:259.5 sq miSource: Census
PMSA:Oakland, CA PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:0633000Source: Census
Place Name:Hayward city; CaliforniaSource: Census

Adjacent & Nearby ZIP Codes


94544 | | 94542

Schools in ZIP Code 94543


We could not locate which school district 94543 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.

Bret Harte Middle 1047 E St.
Hayward, CA 94540
District: Hayward Unified School DistrictNearby
Hayward Twin Oaks Montessori 951 Palisade St.
Hayward, CA 94542
District: UnknownNearby
Hayward High 1633 East Ave.
Hayward, CA 94541
District: Hayward Unified School DistrictNearby
Winton Middle 119 Winton Ave.
Hayward, CA 94540
District: Hayward Unified School DistrictNearby
Burbank Elementary 353 B St.
Hayward, CA 94541
District: Hayward Unified School DistrictNearby
All Saints Catholic School 22870 2nd St
Hayward, CA 94541
District: Private SchoolNearby
The Montessori Giving Tree 1914 Grove Way
Castro Valley, CA 94546
District: Private SchoolNearby
Elmhurst Learning Center 380 Elmhurst St
Hayward, CA 94544
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 94543


California State University-East Bay 25800 Carlos Bee Blvd
Hayward, CA 94542
Type: Post Secondary
Unitek College 21615 Hesperian Boulevard
Hayward, CA 94541-7026
Type: Post Secondary
Chabot College 25555 Hesperian Blvd
Hayward, CA 94545
Type: Post Secondary
Life Chiropractic College West 25001 Industrial Blvd
Hayward, CA 94545-2570
Type: Post Secondary
Carrington College-San Leandro Campus 15555 East 14th Street
San Leandro, CA 94578-3711
Type: Post Secondary
Merritt College 12500 Campus Dr
Oakland, CA 94619-3196
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 February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], 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: 2/1/2026], https://nces.ed.gov