ZIP Code 51603 in Shenandoah, IA

Data Last Updated: December 1, 2025
City:Shenandoah, Iowa
Names to Avoid:
Earl May Seed
Counties:Page County [Primary]
Fremont County
Timezone:Central (GMT -06:00)
Local Time:3:22:59 PM
Population:No Population Data
Area Code:712
Classification:Unique [Company/Government]
Coordinates:40.7476, -95.3971
Quick Link:
https://www.zip-codes.com/zip-code/51603/zip-code-51603.asp

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51603 - Earl May Seed & Nursery

Shenandoah, IA | Page County | Corporation

Earl May Seed & Nursery

Entity TypeCorporation
LocationShenandoah, IA
CountyPage
FacilityPost Office
Coordinates40.7479, -95.3975
CoverageCampus (Boundary covers 0.48 sq mi)
Key Facts
  • Exclusive ZIP dedicated to corporate operations
  • USPS Post Office classification
  • Includes Earl May Seed & Nursery L C and Earl May Seed CO
  • Delivers to 1 business address (no residential delivery)
  • Founded 1919; started KMA radio 1925; ceased mail-order catalog 1991; operates 50+ garden centers across 4 states
  • Radio broadcasting pioneer; Earl May named most popular radio announcer in America 1926; celebrated 100th anniversary 2019
Entity Type
Corporation
Facility
Post Office
Coordinates
40.7479, -95.3975
Buildings
2

About ZIP Code 51603

Earl May Seed & Nursery, a family-owned garden center chain founded in 1919, operates under dedicated ZIP code 51603 in Shenandoah, Page County, Iowa. Founder Earl E. May established the company with backing from his father-in-law, E. S. Welch, in what was then the epicenter of America's seed and nursery industry. The company pioneered radio broadcasting when May started KMA radio station in 1925, earning recognition as the nation's most popular radio announcer in 1926 for his agricultural programming.

The 0.48-square-mile postal boundary encompasses Earl May's headquarters on Elm Street in southwestern Iowa, approximately 45 miles from Omaha. Postal records show two buildings on file: Earl May Seed & Nursery L C and Earl May Seed CO, reflecting the company's corporate structure. Originally a mail-order catalog business distributing over 2 million copies annually, Earl May ceased catalog operations in 1991 to focus on retail nursery and garden center expansion.

The company now operates more than 50 garden centers across Iowa, Kansas, Missouri, and Nebraska. Leadership remains with the May family, with founder Earl May's granddaughter Betty Jane Shaw serving as president. Earl May celebrated its centennial anniversary in 2019 in its hometown of Shenandoah. This postal designation has served the company for over two decades. Shenandoah serves as the valid mailing city.

Delivery Points
Residential:0
Business:1

Named Buildings

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

Earl May Seed & Nursery L C on Elm Earl May Seed CO on Elm

Address Format

[Recipient Name]
[Street Address]
SHENANDOAH, IA 51603

Business & Employment Statistics


ZIP Code 51603 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. 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:31Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 51603 is located in Page County, Iowa, within the Metropolitan Statistical Area (CBSA ) and Iowa's 4th Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 51603. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:--Source: Census
CBSA Number:--Source: Census
CBSA Type:--Source: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Source: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:04Source: USPS
Congressional Land Area:22756.75 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:1972525Source: Census
Place Name:Shenandoah city; IowaSource: Census

Adjacent & Nearby ZIP Codes


51630 | | 51601

Schools in ZIP Code 51603


We could not locate which school district 51603 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.

Logan Preschool 304 West Nishna Road
Shenandoah, IA 51601
District: Shenandoah Community School DistrictNearby
Ignite Online & Personalized Learning 304 W. Nishna Road
Shonandoah, IA 51601
District: Shenandoah Community School DistrictNearby
Shenandoah High School 1000 Mustang Dr
Shenandoah, IA 51601
District: Shenandoah Community School DistrictNearby
Shenandoah Elementary School 601 Dr. Creighton Circle
Shenandoah, IA 51601
District: Shenandoah Community School DistrictNearby
Shenandoah Middle School 601 Dr. Creighton Circle
Shenandoah, IA 51601
District: Shenandoah Community School DistrictNearby
Clarinda Lutheran School 707 W Scidmore St
Clarinda, IA 51632
District: Private SchoolNearby
Clarinda Academy 1820 N 16th St
Clarinda, IA 51632
District: Private SchoolNearby
Heartland Christian School 400 Wright Rd
Council Bluffs, IA 51501
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 51603


Peru State College 600 Hoyt Street
Peru, NE 68421-0010
Type: Post Secondary
Northwest Missouri State University 800 University Drive
Maryville, MO 64468-6001
Type: Post Secondary
Bellevue University 1000 Galvin Rd S
Bellevue, NE 68005-3098
Type: Post Secondary
E Q School Of Hair Design 2600 South 9th St
Council Bluffs, IA 51501
Type: Post Secondary
Iowa Western Community College 2700 College Rd
Council Bluffs, IA 51503-1057
Type: Post Secondary
Creighton University 2500 California Plaza
Omaha, NE 68178
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 December 1, 2025.

  1. U.S. Postal Service [Last Updated: 12/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 12/1/2025], 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 2011-2023 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: 12/1/2025], https://nces.ed.gov