Royal Palm Beach zipcode
| City | Royal Palm Beach |
| ZIP Code | 33421 |
| Type | PO Box |
| State Code | FL |
| State | Florida |
ZIP code of Royal Palm Beach is 33421. This place is located in Florida state in US. To send any postal service to Royal Palm Beach, you must use 33421 zipcode.
The ZIP code 33421 is also used with 4 more city names of Florida.
- Royal Plm Bch, FL
- Wellington, FL
- West Palm Bch, FL
- West Palm Beach, FL
You should avoid following 1 city name of Florida to be used with the ZIP code 33421.
- Ryl Palm Bch, FL