ZIP Code 48531 in Flint, MI

Data Last Updated: March 1, 2026
City:Flint, Michigan
County:Genesee County
Timezone:Eastern (GMT -05:00)
Local Time:10:15:49 PM
Population:No Population Data
Area Code:810
Classification:PO Box
Coordinates:43.0125, -83.6878
Quick Link:
https://www.zip-codes.com/zip-code/48531/zip-code-48531.asp

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48531 Flint, MI - W Pasadena Avenue Facility

ZIP Code 48531, Flint

Small Town Unique ZIP No Census Data
LocationGenesee County, MI
Area0 sq mi Single Point
Delivery Points253 (57 businesses)
PO Boxes196
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 48504
Key Facts
  • This ZIP code was classified as PO Box only but includes street delivery to 54 addresses at W Pasadena Ave
  • Zero residential population indicates this serves a facility or business complex rather than a neighborhood
  • The ZIP exists as a point location within the larger 48504 ZIP code area
  • 196 PO Boxes and 57 business delivery points serve a single street location with unit designators
  • One city carrier route delivers mail to this concentrated facility location

What This ZIP Serves

ZIP 48531 serves a specific location at W Pasadena Ave in Flint, Michigan. This isn't a residential community. It's classified as PO Box only, but the postal data shows something different. The ZIP maintains 196 PO Boxes and delivers to 54 address points at a single street location, all with unit designators.

Delivery Pattern

This delivery pattern indicates a large facility or building complex rather than a neighborhood. With zero residential population and 57 business delivery points, 48531 functions as a mail processing point for a concentrated location. Three business establishments employ 17 people at this address.

Context Within Flint

Flint has multiple ZIP codes for different areas and purposes. This particular ZIP exists as a point location within the larger 48504 ZIP code. Street delivery is available through one city carrier route serving W Pasadena Ave. The PO Box classification doesn't mean there's no street delivery here. It means this ZIP was designated for PO Box service when it was created.

Street Name Patterns

Single Location Multi Unit Facility

Single street location with unit-based addressing suggests a large facility or building complex.

Nearby Areas

Village Of Holly Downtown

Business & Employment Statistics


ZIP Code 48531 supports both business and residential activity. According to the Business Census (2024), there are 4 business establishments, employing about 20 people with an annual payroll of $611,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:1,042Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:4Source: CBP
1st Quarter Payroll:$73,000Source: CBP
Annual Payroll:$611,000Source: CBP
# of Employees:20Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 48531 is located in Genesee County, Michigan, within the Flint, MI Metropolitan Statistical Area (CBSA 22420) and Michigan's 8th Congressional District. This Metro area has a population of 425,790 people, about 0.00% of whom live in ZIP Code 48531. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Flint, MISource: Census
CBSA Number:22420Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:425,790Source: Census
MSA:Detroit-Ann Arbor-Flint, MI CMSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:08Source: USPS
Congressional Land Area:1503.18 sq miSource: Census
PMSA:Flint, MI PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2629000Source: Census
Place Name:Flint city; MichiganSource: Census

Adjacent & Nearby ZIP Codes


48532 | | 48529

Schools in ZIP Code 48531


We could not locate which school district 48531 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.

Genesee County Jail 1002 S Saginaw St
Flint, MI 48502
District: Mount Morris Consolidated School DistrictNearby
Genesee Early College 432 N Saginaw St
Flint, MI 48502
District: Carman-Ainsworth Community School DistrictNearby
Way Academy Flint Flint Campus 817 E Kearsley St
Flint, MI 48503
District: UnknownNearby
Kearsley Street 923 E Kearsley St
Flint, MI 48503
District: Flint City School DistrictNearby
Michigan School For The Deaf 1235 W Court St
Flint, MI 48503
District: UnknownNearby
Luke M Powers Catholic High School 1505 W Ct St
Flint, MI 48503
District: Private SchoolNearby
St John Vianney Catholic School 2319 Bagley St
Flint, MI 48504
District: Private SchoolNearby
St Paul Lutheran School 402 S Ballenger Hwy
Flint, MI 48532
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 48531


University Of Michigan-Flint 303 E. Kearsley Street
Flint, MI 48502-1950
Type: Post Secondary
Davenport University-Flint Location 1401 East Court Street
Fenton, MI 48503-9121
Type: Post Secondary
Mott Community College 1401 E Court St
Flint, MI 48503-2089
Type: Post Secondary
Kettering University 1700 University Avenue
Flint, MI 48504-6214
Type: Post Secondary
Ross Medical Education Center-Flint G3630 Miller Road, Suite D
Flint, MI 48507-1234
Type: Post Secondary
Creative Hair School Of Cosmetology 4205 Miller Rd Suite 4-7
Flint, MI 48507
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 March 1, 2026.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], 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: 3/1/2026], https://nces.ed.gov