| City: | Pasadena, California |
| Names to Avoid: | Ambassador College |
| County: | Los Angeles County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:35:38 AM |
| Population: | No Population Data |
| Area Codes: | 323 / 626 / 738 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 34.1427, -118.1581 |
| Quick Link: |
ZIP code 91123 historically served Ambassador College, a four-year liberal arts institution established in 1947 in Pasadena by radio evangelist Herbert W. Armstrong, founder of the Worldwide Church of God. The college began on October 8, 1947 on the former Fowler estate at 363 Grove Street and expanded to include lavish mansions along "Millionaires' Row" on South Orange Grove Avenue. The Ambassador Auditorium became one of the preeminent performance spaces in the West, hosting artists like Luciano Pavarotti. The Pasadena campus closed in 1990, with operations moving to Texas; the institution closed entirely in May 1997.
Eight ZIP+4 codes route mail to facilities on Green Street including Ambassador College, Plain Truth (the church's magazine), World Tomorrow (its broadcast program), Worldwide Church of God headquarters, and Worldwide News. The campus is now partly occupied by Maranatha High School and Harvest Rock Church. The Worldwide Church of God became Grace Communion International in 2009. Pasadena is the valid mailing city.
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 91123 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: 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 |
ZIP Code 91123 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 91123, 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: | 0656000Source: Census |
| Place Name: | Pasadena city; CaliforniaSource: Census |
We could not locate which school district 91123 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.
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.