| 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: |
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.
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
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 |
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 |
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.
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.