ZIP Code 91357 in Tarzana, CA

Data Last Updated: January 1, 2026
City:Tarzana, California
County:Los Angeles County
Timezone:Pacific (GMT -08:00)
Local Time:10:05:46 PM
Population:No Population Data
Area Code:818
Classification:PO Box
Coordinates:34.1734, -118.5531
Quick Link:
https://www.zip-codes.com/zip-code/91357/zip-code-91357.asp

Download this data |

Download ZIP Boundaries |

91357 Tarzana, CA - Business Mail Services

ZIP Code 91357, Tarzana

Small Town Unique ZIP No Census Data
LocationLos Angeles County, CA
Area0 sq mi Single Point
Delivery Points1,103 (1 homes, 373 businesses)
PO Boxes729
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 91356
Key Facts
  • This ZIP Code classified as a PO Box operates as a point facility with no geographic territory, enclosed within ZIP 91356
  • The post office serves 729 PO Boxes and 373 business delivery points, focusing on commercial rather than residential mail
  • All street delivery (159 records) occurs on a single street, Yolanda Avenue, with unit designators
  • This isn't a PO Box Only Zone, and Tarzana has standard street delivery available through ZIP 91356
  • With 16 business establishments and 200 employees, this ZIP supports a modest commercial presence in the San Fernando Valley

Overview

ZIP code 91357 serves as a business-focused postal facility in Tarzana, a neighborhood in the San Fernando Valley region of Los Angeles. This ZIP doesn't have residential population within its boundaries. Instead, it functions as a specialized postal point for business mail services.

Postal Services

The post office maintains 729 PO Boxes alongside 373 business delivery points. With 16 business establishments employing approximately 200 workers, this ZIP supports commercial activity in the Tarzana area. Street delivery exists on a single street, Yolanda Avenue, where 159 delivery points are organized into units at one location.

Service Context

Tarzana residents and most businesses use the standard ZIP code 91356 for street delivery. ZIP 91357 provides an alternative for those who prefer or require PO Box services. The facility's location in Los Angeles County places it within one of the nation's largest metropolitan postal networks, though this particular ZIP operates as a point facility rather than covering geographic territory.

Mailing Information

Mail can be addressed to either PO Box numbers at 91357 or to the street address on Yolanda Avenue with unit designators. This isn't a PO Box Only Zone, so street delivery is available through neighboring ZIP codes for the broader Tarzana community.

Street Name Patterns

Single Street Multi Unit

All street delivery concentrates on Yolanda Avenue, organized into units at a single location.

Nearby Areas

Tarzana South Valley Encino Reseda Winnetka

Business & Employment Statistics


ZIP Code 91357 supports both business and residential activity. According to the Business Census (2024), there are 13 business establishments, employing about 208 people with an annual payroll of $8,045,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:1,310Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:13Source: CBP
1st Quarter Payroll:$2,093,000Source: CBP
Annual Payroll:$8,045,000Source: CBP
# of Employees:208Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 91357 is located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area (CBSA 31080) and California's 32nd Congressional District. This Metro area has a population of 13,012,469 people, about 0.00% of whom live in ZIP Code 91357, and is subdivided into the Los Angeles-Long Beach-Glendale, CA division. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Los Angeles-Long Beach-Anaheim, CASource: Census
CBSA Number:31080Source: Census
CBSA Type:MetroSource: Census
CBSA Division:Los Angeles-Long Beach-Glendale, CA (CBSA Div 31084)Source: Census
CBSA Population:13,012,469Source: Census
MSA:Los Angeles-Riverside-Orange County, CASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:32Source: USPS
Congressional Land Area:124.23 sq miSource: Census
PMSA:Los Angeles-Long Beach, CA PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


91358 | | 91356

Schools in ZIP Code 91357


We could not locate which school district 91357 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.

Tarzana Elementary 5726 Topeka Dr.
Tarzana, CA 91356
District: Los Angeles Unified School DistrictNearby
Wilbur Charter For Enriched Academics 5213 Crebs Ave.
Tarzana, CA 91356
District: Los Angeles Unified School DistrictNearby
Gaspar De Portola Charter Middle 18720 Linnet St.
Tarzana, CA 91356
District: Los Angeles Unified School DistrictNearby
Vanalden Avenue Elementary 19019 Delano St.
Reseda, CA 91335
District: Los Angeles Unified School DistrictNearby
Chime Institute's Schwarzenegger Community 19722 Collier St.
Woodland Hills, CA 91364
District: UnknownNearby
Woodcrest School 6043 Tampa Ave 101a
Tarzana, CA 91356
District: Private SchoolNearby
Lila School-West Valley Campus 5933 Lindley Ave
Tarzana, CA 91356
District: Private SchoolNearby
Kirk O' The Valley School 19620 Vanowen St
Reseda, CA 91335
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 91357


Hypnosis Motivation Institute 18607 Ventura Blvd Ste 310
Tarzana, CA 91356-4159
Type: Post Secondary
Columbia College Hollywood 18618 Oxnard St
Tarzana, CA 91356-1411
Type: Post Secondary
Los Angeles Pierce College 6201 Winnetka Ave
Woodland Hills, CA 91371-0002
Type: Post Secondary
Annenberg School Of Nursing 19300 Sherman Way
Reseda, CA 91335-5426
Type: Post Secondary
United Education Institute-Encino 5445 Balboa Boulevard
Encino, CA 91316-1951
Type: Post Secondary
California Career College 7003 Owensmouth Avenue
Canoga Park, CA 91303-2006
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