| City: | Alturas, Florida |
| County: | Polk County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:35:34 PM |
| Population: | No Population Data |
| Area Code: | 863 |
| Classification: | PO Box |
| Coordinates: | 27.8717, -81.7160 |
| Quick Link: |
The postal facility serves a small area with 31 businesses and minimal residential density. Unlike many rural Florida communities that have transitioned to carrier delivery, Alturas continues to rely entirely on post office boxes. The USPS assigns 14 ZIP+4 codes to organize mail routing, with 13 designated for PO Box ranges and just one for general delivery.
No street delivery routes are maintained in this ZIP code. All mail service operates through the post office box system.
ZIP Code 33820 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 13 people with an annual payroll of $481,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 872Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $97,000Source: CBP |
| Annual Payroll: | $481,000Source: CBP |
| # of Employees: | 13Source: CBP |
ZIP Code 33820 is located in Polk County, Florida, within the Lakeland-Winter Haven, FL Metropolitan Statistical Area (CBSA 29460) and Florida's 18th Congressional District. This Metro area has a population of 760,961 people, about 0.00% of whom live in ZIP Code 33820. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Lakeland-Winter Haven, FLSource: Census |
| CBSA Number: | 29460Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 760,961Source: Census |
| MSA: | Lakeland-Winter Haven, FL MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 18Source: USPS |
| Congressional Land Area: | 1512.55 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1201100Source: Census |
| Place Name: | Alturas CDP; FloridaSource: Census |
ZIP Code 33820 is in the Polk County School District, which serves grades Pre-Kindergarten thru 12th. There are 1 public school(s) in this ZIP Code, and we have located 3 private school(s). 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 January 1, 2026.