ZIP Code 93435 in Harmony, CA

Data Last Updated: February 1, 2026
City:Harmony, California
County:San Luis Obispo County
Timezone:Pacific (GMT -08:00)
Local Time:10:40:45 PM
Population:No Population Data
Area Codes:805 / 820
Classification:PO Box
Coordinates:35.4971, -121.0269
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https://www.zip-codes.com/zip-code/93435/zip-code-93435.asp

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93435 Harmony, CA - Highway 1 Rural Community

ZIP Code 93435, Harmony

Small Town No Census Data
LocationSan Luis Obispo County, CA
Area10.1 sq mi
Delivery Points29 (26 homes, 3 businesses)
PO Boxes0 No PO Boxes
ZIP CreatedBefore Oct 2004
Key Facts
  • This ZIP code is classified as PO Box only, but actually has rural carrier delivery serving 26 single-family homes across 10 square miles
  • Two rural routes provide standard mail delivery along roads like Harmony Valley Road and Harmony Ranch Road
  • The Census Bureau doesn't separately track population for this small rural area, but delivery records show 26 residential addresses
  • Three business establishments employ 22 people, likely including the historic Harmony Valley Creamery shops
  • This is not a PO Box Only Zone and street delivery is available to all addresses

Community Overview

Harmony is a small rural community in San Luis Obispo County along California's scenic Highway 1. This ZIP code serves 26 residential addresses spread across 10 square miles of rolling ranch land between Cambria and Cayucos. The community takes its name from Harmony Valley Road and Harmony Ranch Road, the two main routes through the area.

Postal Services

Despite being classified as a PO Box ZIP, Harmony has rural carrier delivery serving homes along roads like Harmony Valley Road, Harmony Ranch Road, and Old Creamery Road. Two rural routes handle mail delivery for the scattered residences. The Census Bureau doesn't track population here separately, but delivery data shows 26 single-family homes receiving mail service.

Local Character

Harmony is known for the historic Harmony Valley Creamery building along Highway 1, now home to a small collection of artisan shops and studios. The ZIP code supports 3 business establishments employing 22 people. This isn't a PO Box Only Zone, and residents receive standard rural carrier delivery rather than being required to use post office boxes.

Mailing Information

Mail to Harmony uses standard street addresses along rural routes:

  • Harmony Valley Rd
  • Harmony Ranch Rd
  • Cabrillo Hwy (Highway 1)
  • Old Creamery Rd

All addresses use HARMONY, CA 93435 as the city/state/ZIP line.

Street Name Patterns

Rural Ranch Historic Names Highway Corridor

Street names echo the area's ranching heritage and connection to the scenic Cabrillo Highway (Highway 1).

Business & Employment Statistics


ZIP Code 93435 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 24 people with an annual payroll of $871,000. USPS data shows 25 residential mailboxes and 3 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:25Source: USPS
# Business Mailboxes:3Source: USPS
Total Delivery Receptacles:1,962Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:3Source: CBP
1st Quarter Payroll:$192,000Source: CBP
Annual Payroll:$871,000Source: CBP
# of Employees:24Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 93435 is located in San Luis Obispo County, California, within the San Luis Obispo-Paso Robles, CA Metropolitan Statistical Area (CBSA 42020) and California's 19th Congressional District. This Metro area has a population of 281,486 people, about 0.00% of whom live in ZIP Code 93435. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:San Luis Obispo-Paso Robles, CASource: Census
CBSA Number:42020Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:281,486Source: Census
MSA:San Luis Obispo-Atascadero-Paso Robles, CA MSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:19Source: USPS
Congressional Land Area:915.34 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


93436 | | 93434

Schools in ZIP Code 93435


We could not locate which school district 93435 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.

Cambria Grammar 3223 Main St.
Cambria, CA 93428
District: Coast Unified School DistrictNearby
Santa Lucia Middle 2850 Schhouse Ln.
Cambria, CA 93428
District: Coast Unified School DistrictNearby
Coast Union High 2950 Santa Rosa Creek Rd.
Cambria, CA 93428
District: Coast Unified School DistrictNearby
Leffingwell High (Continuation) 2820 Santa Rosa Creek Rd.
Cambria, CA 93428
District: Coast Unified School DistrictNearby
Cayucos Elementary 301 Cayucos Dr.
Cayucos, CA 93430
District: Cayucos Elementary School DistrictNearby
Santa Lucia School 1460 Plum Orchard Ln
Templeton, CA 93465
District: Private SchoolNearby
Templeton Hills 7th-Day Adventist School 940 Templeton Hills Rd
Templeton, CA 93465
District: Private SchoolNearby
Childrens House Montessori School 3025 Monterey Rd
Atascadero, CA 93422
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 93435


Cuesta College Highway 1
San Luis Obispo, CA 93403-8106
Type: Post Secondary
Columbia College - San Luis Obispo Building 5700 At Cuesta College
San Luis Obispo, CA 93403-8106
Type: Post Secondary
San Joaquin Valley College-Atascadero 8845 El Camino Real
Atascadero, CA 93422-5333
Type: Post Secondary
Design's School Of Cosmetology 2727 Buena Vista Drive #105
Paso Robles, CA 93446
Type: Post Secondary
California Polytechnic State University-San Luis Obispo 1 Grand Ave.
San Luis Obispo, CA 93407
Type: Post Secondary
Laurus College 81 Higuera St Ste 110
San Luis Obispo, CA 93401
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