ZIP code 33503
Where is ZIP code 33503?
Balm, Florida
Hillsborough County · PO Box only ZIP code
ZIP code 33503 belongs to Balm, Florida in Hillsborough County. 33503 is a PO Box only ZIP code: it is used for post office boxes at the Balm post office, not for street addresses. It is in the Eastern Time zone and uses area codes 656 and 813. About 891 people live in the 33503 area, where the median household income is $138,553. The closest ZIP codes are 33579 (Riverview, 2.6 mi north), 33598 (Wimauma, 5.1 mi southwest) and 33573 (Sun City Center, 6 mi southwest).
| ZIP code | 33503 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Balm |
| State | Florida (FL) |
| County | Hillsborough County |
| Time zone | Eastern Time · now |
| Area codes | 656, 813 |
| Coordinates | 27.7648, -82.2734 map |
| 3-digit prefix | 335 |
Population and income in 33503
| Population | 891 · lower than 92% of Florida ZIP codes |
|---|---|
| People per square mile | 1,463 · higher than 53% of Florida ZIP codes |
| Median age | 37.6 years · lower than 80% of Florida ZIP codes |
| Men / women | 59% / 41% |
| Median household income | $138,553 · higher than 97% of Florida ZIP codes |
| Income per person | $27,429 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 2.1% of adults 25+ |
| Median home value | $352,900 · higher than 54% of Florida ZIP codes |
| Housing units | 184 |
| Households | 184 (4.84 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 0.61 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 33503. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 33503
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 33579 | Riverview, FL | 2.6 mi N | Standard |
| 33598 | Wimauma, FL | 5.1 mi SW | Standard |
| 33573 | Sun City Center, FL | 6 mi SW | Standard |
| 33569 | Riverview, FL | 6 mi NW | Standard |
| 33534 | Gibsonton, FL | 7.9 mi NW | Standard |
| 33578 | Riverview, FL | 8.3 mi NW | Standard |
| 33572 | Apollo Beach, FL | 8.4 mi W | Standard |
| 33596 | Valrico, FL | 9 mi N | Standard |
| 33547 | Lithia, FL | 9.5 mi NE | Standard |
| 33511 | Brandon, FL | 9.8 mi N | Standard |
| 33575 | Ruskin, FL | 10.1 mi W | PO Box only |
| 33570 | Ruskin, FL | 10.8 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 33503 or measure the distance to another ZIP code.
How to address mail to 33503
PO BOX 123
BALM FL 33503
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (33503-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 33503?
- 33503 is a Balm, Florida ZIP code.
- What county is 33503 in?
- ZIP code 33503 is in Hillsborough County, Florida.
- What time zone is ZIP code 33503 in?
- 33503 is in the Eastern Time zone (America/New_York).
- What area code is 33503?
- Phone numbers in ZIP code 33503 use area codes 656 and 813.
- What is the population of ZIP code 33503?
- About 891 people live in ZIP code 33503, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 33503?
- The median household income in 33503 is $138,553 a year, higher than 97% of Florida ZIP codes.
- Can I use 33503 for a street address?
- No. 33503 is only for PO Boxes. Street addresses in Balm use another ZIP code.
- What ZIP codes are near 33503?
- The nearest ZIP codes to 33503 are 33579 (Riverview, 2.6 miles), 33598 (Wimauma, 5.1 miles), 33573 (Sun City Center, 6 miles) and 33569 (Riverview, 6 miles).