| City: | Glendale, Arizona |
| County: | Maricopa County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 10:07:24 PM |
| Population: | No Population Data |
| Area Code: | 602 |
| Classification: | PO Box |
| Coordinates: | 33.5389, -112.1854 |
| Quick Link: |
ZIP code 85318 is a post office-only ZIP in Glendale, Arizona, serving the Arrowhead Ranch area of the Phoenix metropolitan region. Unlike most ZIP codes that define a geographic territory, 85318 exists solely as a mail collection point. The post office sits on N 59th Avenue and provides 801 PO Boxes to residents and businesses who want a dedicated Glendale address separate from their home delivery ZIP code.
This isn't a PO Box Only Zone. Residents in the area receive street delivery through ZIP code 85308, which geographically encloses this point location. The 801 PO Boxes serve a mix of purposes: some customers prefer the security of a locked box, others run businesses from home and want a separate mailing address, and some simply like the convenience of picking up mail on their schedule. With 595 business delivery points associated with this ZIP, commercial users make up a significant portion of the customer base.
The Arrowhead Ranch neighborhood surrounding the post office is a master-planned community in northwest Glendale. Nearby subdivisions include Arrowhead Phase III, Mohawk HOA, Hearthstone Place Estates, and Arrowhead Lakes Association. These are suburban residential developments where homes receive carrier delivery, but many residents maintain PO Boxes at this location for mail that needs extra attention or security.
Only one street appears in this ZIP: N 59th Avenue, which is the post office's physical address used for PO Box street addressing.
ZIP Code 85318 supports both business and residential activity. According to the Business Census (2024), there are 26 business establishments, employing about 136 people with an annual payroll of $7,374,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,360Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 26Source: CBP |
| 1st Quarter Payroll: | $1,707,000Source: CBP |
| Annual Payroll: | $7,374,000Source: CBP |
| # of Employees: | 136Source: CBP |
ZIP Code 85318 is located in Maricopa County, Arizona, within the Phoenix-Mesa-Chandler, AZ Metropolitan Statistical Area (CBSA 38060) and Arizona's 8th Congressional District. This Metro area has a population of 4,941,206 people, about 0.00% of whom live in ZIP Code 85318. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Phoenix-Mesa-Chandler, AZSource: Census |
| CBSA Number: | 38060Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 4,941,206Source: Census |
| MSA: | Phoenix-Mesa, AZ MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 08Source: USPS |
| Congressional Land Area: | 539.66 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0427820Source: Census |
| Place Name: | Glendale city; ArizonaSource: Census |
We could not locate which school district 85318 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 January 1, 2026.