| City: | Seffner, Florida |
| County: | Hillsborough County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:37:01 PM |
| Population: | No Population Data |
| Area Codes: | 656 / 813 |
| Classification: | PO Box |
| Coordinates: | 27.9906, -82.2811 |
| Quick Link: |
ZIP code 33583 serves as the PO Box designation for Seffner, Florida, a community in Hillsborough County within the Tampa-St. Petersburg metro area. This isn't a geographic territory. It's a point location for PO Box services at the post office on S Kingsway Road. The surrounding area receives street delivery through ZIP 33584, which physically encompasses this location.
The post office maintains 479 PO Boxes and serves 275 businesses. With zero residential population assigned to this ZIP, everyone using these boxes lives or works in the surrounding area. Residents of Seffner and nearby Brandon neighborhoods come here for PO Box services while their homes receive carrier delivery under the sibling ZIP 33584.
Seffner sits at the intersection of suburban Tampa and the communities stretching east toward Plant City. The Seffner Community Alliance, Valencia of Hillsborough, Kingsway Oaks, and Lake Weeks neighborhoods all fall within a mile of this post office. For anyone needing a dedicated mailing address separate from their home, this location provides that option without requiring them to use their residential address.
The only street address associated with this ZIP is S Kingsway Road, where the post office is located.
ZIP Code 33583 supports both business and residential activity. According to the Business Census (2024), there are 11 business establishments, employing about 140 people with an annual payroll of $8,724,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 5,330Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 11Source: CBP |
| 1st Quarter Payroll: | $2,186,000Source: CBP |
| Annual Payroll: | $8,724,000Source: CBP |
| # of Employees: | 140Source: CBP |
ZIP Code 33583 is located in Hillsborough County, Florida, within the Tampa-St. Petersburg-Clearwater, FL Metropolitan Statistical Area (CBSA 45300) and Florida's 15th Congressional District. This Metro area has a population of 2,783,243 people, about 0.00% of whom live in ZIP Code 33583, and is subdivided into the Tampa, FL division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Tampa-St. Petersburg-Clearwater, FLSource: Census |
| CBSA Number: | 45300Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Tampa, FL (CBSA Div 45294)Source: Census |
| CBSA Population: | 2,783,243Source: Census |
| MSA: | Tampa-St. Petersburg-Clearwater, FL MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 15Source: USPS |
| Congressional Land Area: | 818.51 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1264925Source: Census |
| Place Name: | Seffner CDP; FloridaSource: Census |
We could not locate which school district 33583 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 February 1, 2026.