| Business | Phone |
| Faith Christian Fellowship 400 Johnson St E, Hart 49420 | (231) 873-1920 |
| Hart Untd Mthdst Chr Parsonage 3818 Melody Ln, Hart 49420 | (231) 873-4766 |
| St Gregory's Parish 316 S Peach Ave, Hart 49420 | (231) 873-2660 |
| St Gregory's Migrant Ministry 316 S Peach Ave, Hart 49420 | (231) 873-8276 |
| St Joseph's Parish 2380 W Jackson Rd, Hart 49420 | (231) 873-2683 |
| St Joseph's Parish Hall 2349 W Jackson Rd, Hart 49420 | (231) 873-5776 |