ZIP Code 53596 in Sun Prairie, WI

Data Last Updated: February 1, 2026
City:Sun Prairie, Wisconsin
Names to Avoid:
General Casualty Co
County:Dane County
Timezone:Central (GMT -06:00)
Local Time:7:26:45 AM
Population:No Population Data
Area Codes:353 / 608
Classification:Unique [Company/Government]
Coordinates:43.1836, -89.2139
Quick Link:
https://www.zip-codes.com/zip-code/53596/zip-code-53596.asp

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53596 - General Casualty CO

Sun Prairie, WI | Dane County | Institution

General Casualty CO

Entity TypeInstitution
LocationSun Prairie, WI
CountyDane
FacilityPost Office
Coordinates43.1914, -89.2618
CoverageSingle point (Coordinates mark the primary delivery location)
Key Facts
  • Single-entity ZIP serving General Casualty CO
  • Has own Post Office designation
  • Home to Qbe
  • Mail serves 5 business establishments employing around 1,551 people
  • Delivers to 1 business address (no residential delivery)
  • Located in the Madison, WI metro area
  • Founded 1925 as General Casualty, acquired by QBE Insurance Group (Australia) in 2007
  • Regional P&C insurer with 1,551 employees, serves all 50 states through independent agents
Entity Type
Institution
Facility
Post Office
Neighborhood
Reindahl Park
Buildings
1

About ZIP Code 53596

QBE Insurance operates under dedicated ZIP code 53596 from its regional operations center in Sun Prairie, Wisconsin. The facility traces its roots to General Casualty Insurance Company, established in 1925 as a regional property and casualty insurer that grew to serve all 50 states through more than 1,000 independent insurance agencies. After passing through Reliance Insurance, Swiss insurer Winterthur, and briefly AXA Group, General Casualty became part of Australia's QBE Insurance Group in a 2007 acquisition valued at $1.16 billion.

Postal records identify 2 delivery codes serving the QBE facility at 1 General Drive in Sun Prairie, approximately 4 miles from Madison's Reindahl Park neighborhood. Census Business Patterns report approximately 1,551 employees at this location. The company offers personal insurance lines including auto, homeowners, renters, and watercraft coverage, along with commercial products. This dedicated ZIP has served the insurance operation since before 2004, originally under the General Casualty name. Sun Prairie is the valid mailing city for this designation.

Business Data
Establishments:5
Employment:1,551
Delivery Points
Residential:0
Business:1

Named Buildings

Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.

Qbe on Qbe

Address Format

[Recipient Name]
[Street Address]
SUN PRAIRIE, WI 53596

Business & Employment Statistics


ZIP Code 53596 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 1,987 people with an annual payroll of $202,061,000. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:1Source: USPS
Total Delivery Receptacles:1Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:5Source: CBP
1st Quarter Payroll:$66,101,000Source: CBP
Annual Payroll:$202,061,000Source: CBP
# of Employees:1,987Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 53596 is located in Dane County, Wisconsin, within the Madison, WI Metropolitan Statistical Area (CBSA 31540) and Wisconsin's 2nd Congressional District. This Metro area has a population of 568,593 people, about 0.00% of whom live in ZIP Code 53596. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Madison, WISource: Census
CBSA Number:31540Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:568,593Source: Census
MSA:Madison, WI MSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:02Source: USPS
Congressional Land Area:4536.69 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:5578600Source: Census
Place Name:Sun Prairie city; WisconsinSource: Census

Adjacent & Nearby ZIP Codes


53597 | | 53595

Schools in ZIP Code 53596


We could not locate which school district 53596 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.

Central Heights Middle 220 Kroncke Dr
Sun Prairie, WI 53590
District: Sun Prairie Area School DistrictNearby
Prairie Phoenix Academy 220 Kroncke Dr
Sun Prairie, WI 53590
District: Sun Prairie Area School DistrictNearby
Eastside Elementary 661 Elizabeth Ln
Sun Prairie, WI 53590
District: Sun Prairie Area School DistrictNearby
Northside Elementary 230 W Klubertanz Dr
Sun Prairie, WI 53590
District: Sun Prairie Area School DistrictNearby
Sun Prairie East High 888 Grove St
Sun Prairie, WI 53590
District: Sun Prairie Area School DistrictNearby
Sacred Hearts Grade School 219 Columbus St
Sun Prairie, WI 53590
District: Private SchoolNearby
Peace Lutheran School 1007 Stonehaven Dr
Sun Prairie, WI 53590
District: Private SchoolNearby
Powerhouse Christian School 304 Woodward Dr
Sun Prairie, WI 53590
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 53596


Herzing University-Madison 5218 E. Terrace Dr.
Madison, WI 53718
Type: Post Secondary
Madison Area Technical College 1701 Wright Street
Madison, WI 53704-2599
Type: Post Secondary
Aveda Institute-Madison 353 East Campus Mall
Madison, WI 53715-0000
Type: Post Secondary
University Of Wisconsin-Madison 500 Lincoln Dr
Madison, WI 53706-1380
Type: Post Secondary
University Of Wisconsin-System Administration 1220 Linden Dr
Madison, WI 53706
Type: Post Secondary
Edgewood College 1000 Edgewood College Drive
Madison, WI 53711-1997
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