- 54216 is a Postal Code in Kewaunee County.
- 54216 a.k.a. Rosie, Arkansas: Rosie is an unincorporated community in Independence County, Arkansas, United States. Rosie is located on Arkansas Highway 14 9 miles southeast of Batesville. Rosie has a post office with ZIP code 72571.
54216 a.k.a. Protocadherin 7 is a protein.
- also known as BHPCDH, BH-Pcdh, Pcdh7, BH-protocadherin (brain-heart)