ZIP Code 98145 in Seattle, WA

Data Last Updated: February 1, 2026
City:Seattle, Washington
County:King County
Timezone:Pacific (GMT -08:00)
Local Time:10:14:22 AM
Population:No Population Data
Area Codes:206 / 425
Classification:PO Box
Coordinates:47.6064, -122.3308
Quick Link:
https://www.zip-codes.com/zip-code/98145/zip-code-98145.asp

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98145 Seattle, WA - University Way Facility

ZIP Code 98145, Seattle

Small Town Unique ZIP No Census Data
LocationKing County, WA
Area0 sq mi Single Point
Delivery Points471 (119 businesses)
PO Boxes352
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 98105
Key Facts
  • This is a Large Volume Receiver serving a single building on University Way NE
  • The facility maintains 352 PO Boxes and 119 business delivery points
  • All 132 street delivery records go to one address with unit designators
  • Zero residential population - this ZIP exists as a point location within the larger University District ZIP 98105
  • Seven businesses employ 34 people at this facility

A Single-Building ZIP Code

ZIP code 98145 serves a single building on University Way NE in Seattle's University District. This isn't a traditional community ZIP. It's what USPS classifies as a Large Volume Receiver, a designation for facilities that generate enough mail volume to warrant their own ZIP code.

Mail Services at This Location

The post office maintains 352 PO Boxes and delivers to 119 business addresses at this location. All 132 street delivery records point to University Way NE with unit designators, confirming a single multi-tenant building. Seven businesses employ 34 people at this address.

How This ZIP Works

This ZIP has no residential population within its boundaries. It exists as a point location within the larger 98105 ZIP code, which covers the University District. Mail addressed to 98145 goes to specific units or PO Boxes at this University Way facility.

Seattle has multiple ZIP codes, and 98145 represents the specialized use case where a single location's mail volume justifies separate postal infrastructure. The classification as a PO Box ZIP reflects its origin as a facility-specific code rather than a geographic territory.

Street Name Patterns

Single Building Multi Tenant

All delivery records point to a single address on University Way NE, indicating a multi-tenant building with individual units.

Nearby Areas

University District Northeast Seattle Wallingford Lake Union Eastlake

Business & Employment Statistics


ZIP Code 98145 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 36 people with an annual payroll of $4,127,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:1,902Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:6Source: CBP
1st Quarter Payroll:$1,057,000Source: CBP
Annual Payroll:$4,127,000Source: CBP
# of Employees:36Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 98145 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 98145, 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

Adjacent & Nearby ZIP Codes


98146 | | 98144

Schools in ZIP Code 98145


We could not locate which school district 98145 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.

Middle College High School 401 Ne Northgate Way
Seattle, WA 98125
District: Seattle Public SchoolsNearby
Interagency Detention School 1211 E Alder Ms 1-F
Seattle, WA 98122
District: Seattle Public SchoolsNearby
Bailey Gatzert Elementary School 1301 E Yesler Wy
Seattle, WA 98122
District: Seattle Public SchoolsNearby
Summit Public School: Sierra 1025 S King St
Seattle, WA 98104
District: UnknownNearby
Seattle World School 1700 East Union St.
Seattle, WA 98122
District: Seattle Public SchoolsNearby
O'dea High School 802 Terry Ave
Seattle, WA 98104
District: Private SchoolNearby
Ideal School 506 2nd Ave Ste 1400
Seattle, WA 98104
District: Private SchoolNearby
The Northwest School Of The Arts 1415 Summit Ave
Seattle, WA 98122
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 98145


Seattle University 900 Broadway
Seattle, WA 98122-4340
Type: Post Secondary
Aveda Arts & Sciences Institute Seattle 802 East Pike Street
Seattle, WA 98122
Type: Post Secondary
Seattle Central College 1701 Broadway Avenue
Seattle, WA 98122
Type: Post Secondary
Cornish College Of The Arts 1000 Lenora Street
Seattle, WA 98121
Type: Post Secondary
Antioch University-Seattle 2326 6th Ave
Seattle, WA 98121-1814
Type: Post Secondary
City University Of Seattle 521 Wall Street, Suite 100
Seattle, WA 98121
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