ZIP Code 91066 in Arcadia, CA

Data Last Updated: February 1, 2026
City:Arcadia, California
County:Los Angeles County
Timezone:Pacific (GMT -08:00)
Local Time:9:35:25 AM
Population:No Population Data
Area Code:626
Classification:PO Box
Coordinates:34.1398, -118.0346
Quick Link:
https://www.zip-codes.com/zip-code/91066/zip-code-91066.asp

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91066 Arcadia, CA - Business Mail Facility

ZIP Code 91066, Arcadia

Small Town Unique ZIP No Census Data
LocationLos Angeles County, CA
Area0 sq mi Single Point
Delivery Points1,121 (360 businesses)
PO Boxes761
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 91006
Key Facts
  • This ZIP Code is classified as PO Box only, but it's actually a single facility within the larger Arcadia area that has full street delivery
  • The 761 PO Boxes serve primarily business needs, with 360 business delivery points concentrated at this location
  • Wheeler Avenue is the only street in this ZIP, functioning as a mail processing facility rather than a residential community
  • This is located within ZIP 91006, which provides the actual geographic territory and street delivery for Arcadia residents
  • As a Large Volume Receiver facility, this location handles concentrated mail operations for businesses and individuals who prefer PO Box service

Facility Overview

ZIP Code 91066 serves as a PO Box facility for Arcadia, California, a city in the San Gabriel Valley region of Los Angeles County. This ZIP isn't a residential area. It's a postal facility located at Wheeler Avenue that provides PO Box services for local businesses and residents who need them.

Postal Services

The facility maintains 761 PO Boxes and serves 360 business delivery points. With only one street address (Wheeler Avenue with 111 unit designations), this is what USPS classifies as a Large Volume Receiver location. It handles concentrated mail processing for the Arcadia area while residential street delivery happens through neighboring ZIP codes like 91006 and 91007.

Service Area Context

Arcadia residents have street delivery available through standard ZIP codes, so 91066 isn't a PO Box Only Zone. People choose PO Boxes here for business needs, mail privacy, or convenience rather than necessity. The surrounding Arcadia community includes nearby neighborhoods like Monrovia, Sierra Madre, and Temple City.

Street Name Patterns

Single Facility

Wheeler Avenue is the sole street, with all 111 records containing UNIT designations indicating a multi-unit mail facility.

Nearby Areas

Arcadia Monrovia Sierra Madre Temple City Duarte

Business & Employment Statistics


ZIP Code 91066 supports both business and residential activity. According to the Business Census (2024), there are 7 business establishments, employing about 111 people with an annual payroll of $4,436,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:1,119Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:7Source: CBP
1st Quarter Payroll:$994,000Source: CBP
Annual Payroll:$4,436,000Source: CBP
# of Employees:111Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 91066 is located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area (CBSA 31080) and California's 28th Congressional District. This Metro area has a population of 0 people, about 0.00% of whom live in ZIP Code 91066, 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:0Source: Census
MSA:Los Angeles-Riverside-Orange County, CASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:28Source: USPS
Congressional Land Area:218.45 sq miSource: Census
PMSA:Los Angeles-Long Beach, CA PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:0602462Source: Census
Place Name:Arcadia city; CaliforniaSource: Census

Adjacent & Nearby ZIP Codes


91077 | | 91046

Schools in ZIP Code 91066


We could not locate which school district 91066 belongs to, but we will update this once new district data is released. There are 0 public schools with a nearby mailing address, but we have located 5 public schools nearby. There are however 1 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

First Avenue Middle 301 South First Ave.
Arcadia, CA 91006
District: Arcadia Unified School DistrictNearby
Rancho Learning Center (Alternative) 150 South Third Ave.
Arcadia, CA 91006
District: Arcadia Unified School DistrictNearby
Arcadia High 180 Campus Dr.
Arcadia, CA 91007
District: Arcadia Unified School DistrictNearby
Foothills Middle 171 East Sycamore Ave.
Arcadia, CA 91006
District: Arcadia Unified School DistrictNearby
Holly Avenue Elementary 360 West Duarte Rd.
Arcadia, CA 91007
District: Arcadia Unified School DistrictNearby
Rio Hondo Preparatory 5150 Farna Ave
Arcadia, CA 91066
District: Private School

Colleges & Post Secondary Schools near ZIP Code 91066


Palladium Technical Academy Inc 10229 Lower Azusa Rd.
Temple City, CA 91780
Type: Post Secondary
Professional Institute Of Beauty 10801 E. Valley Mall
El Monte, CA 91731
Type: Post Secondary
Pasadena City College 1570 E Colorado Blvd.
Pasadena, CA 91106-2003
Type: Post Secondary
Premiere Career College 12901 Ramona Blvd
Irwindale, CA 91706-3746
Type: Post Secondary
Regan Career Institute 3144 Santa Anita Avenue, 2nd Floor
El Monte, CA 91733-3254
Type: Post Secondary
Baldwin Park Adult & Community Education 4640 N. Maine Ave
Baldwin Park, CA 91706-4221
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