| City: | Seattle, Washington |
| County: | King County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 10:14:20 AM |
| Population: | No Population Data |
| Area Codes: | 206 / 253 / 360 / 425 / 564 |
| Classification: | PO Box |
| Coordinates: | 47.6100, -122.3300 |
| Quick Link: |
ZIP code 98139 is a PO Box-only ZIP located in Seattle's Magnolia neighborhood. It doesn't have its own geographic territory. Instead, it exists as a point location within ZIP 98199, serving the Southeast Magnolia and Briarcliff areas. The post office operates from a single address on W McGraw Street.
This ZIP maintains 260 PO Boxes and serves 118 businesses, making it a commercial-leaning postal location. Despite being classified as PO Box only, the area isn't isolated from street delivery. Residents and businesses who don't rent a PO Box here receive mail through neighboring Seattle ZIP codes that provide standard carrier delivery.
The Magnolia neighborhood where this post office sits is a residential peninsula connected to downtown Seattle. It's bounded by Puget Sound to the west and the Interbay industrial area to the east. People choose PO Boxes here for privacy, business mail separation, or the convenience of a neighborhood post office.
All mail records are associated with a single location on W McGraw Street in the Magnolia neighborhood.
ZIP Code 98139 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 30 people with an annual payroll of $1,447,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 353Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 6Source: CBP |
| 1st Quarter Payroll: | $477,000Source: CBP |
| Annual Payroll: | $1,447,000Source: CBP |
| # of Employees: | 30Source: CBP |
ZIP Code 98139 is located in King County, Washington, within the Seattle-Tacoma-Bellevue, WA Metropolitan Statistical Area (CBSA 42660) and Washington's 7th Congressional District. This Metro area has a population of 3,439,809 people, about 0.00% of whom live in ZIP Code 98139, and is subdivided into the Seattle-Bellevue-Kent, WA division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Seattle-Tacoma-Bellevue, WASource: Census |
| CBSA Number: | 42660Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Seattle-Bellevue-Kent, WA (CBSA Div 42644)Source: Census |
| CBSA Population: | 3,439,809Source: Census |
| MSA: | Seattle-Tacoma-Bremerton, WA CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 07Source: USPS |
| Congressional Land Area: | 144.13 sq miSource: Census |
| PMSA: | Seattle-Bellevue-Everett, WA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 5363000Source: Census |
| Place Name: | Seattle city; WashingtonSource: Census |
We could not locate which school district 98139 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.