| City: | Glendale, California |
| County: | Los Angeles County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:35:54 AM |
| Population: | No Population Data |
| Area Codes: | 323 / 738 / 747 / 818 |
| Classification: | PO Box |
| Coordinates: | 34.1427, -118.2544 |
| Quick Link: |
ZIP code 91221 in Glendale, California operates as a dedicated PO Box facility serving the Grandview neighborhood. The post office maintains 369 PO Boxes at the San Fernando Road location, supporting 297 businesses alongside local residents. While classified as a PO Box ZIP, customers here aren't isolated from street delivery. The facility sits within the broader 91201 ZIP code coverage area, where standard carrier service operates throughout Glendale.
The single street route at San Fernando Road handles 180 delivery records serving the post office itself and immediately adjacent properties. This urban PO Box setup reflects Glendale's mail infrastructure, where businesses and residents choose PO Boxes for convenience and security rather than necessity. Los Angeles County's dense development means most customers who rent boxes here have street delivery available at their physical address through neighboring ZIP codes.
San Fernando Road serves as the sole street location, representing the post office facility itself rather than a residential delivery network.
ZIP Code 91221 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 6 people with an annual payroll of $413,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 775Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $109,000Source: CBP |
| Annual Payroll: | $413,000Source: CBP |
| # of Employees: | 6Source: CBP |
ZIP Code 91221 is located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area (CBSA 31080) and California's 30th Congressional District. This Metro area has a population of 0 people, about 0.00% of whom live in ZIP Code 91221, 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: | 30Source: USPS |
| Congressional Land Area: | 135.94 sq miSource: Census |
| PMSA: | Los Angeles-Long Beach, CA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0630000Source: Census |
| Place Name: | Glendale city; CaliforniaSource: Census |
We could not locate which school district 91221 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.