| Business | Phone |
| St John's Episcopal Church 3427 Olney Laytonsville Rd, Olney 20832 | (301) 774-6999 |
| St Peter's Catholic Church 2900 Olney Sandy Spring Rd, Olney 20832 | (301) 570-4952 |
| Seventh-Day Adventist Church 4100 Olney Laytonsville Rd, Olney 20832 | (301) 774-7733 |
| Church Of Christ At Olney 17020 Georgia Ave, Olney 20832 | (301) 774-0638 |
| Church Of Jesus Christ Of Lds 17700 Old Baltimore Rd, Olney 20832 | (301) 260-1376 |
| Church Of The Vineyard 17121 Thorntondale Ct, Olney 20832 | (301) 774-5225 |
| Refuge Church Of Christ 3618 Olney Laytonsville Rd, Olney 20832 | (301) 924-2477 |
| New Life Church Olney 20832 | (301) 570-8799 |
| Oakdale Emory United Methodist 3425 Emory Church Rd, Olney 20832 | (301) 774-4666 |
| Olney Baptist Church 17525 Georgia Ave, Olney 20832 | (301) 774-5433 |
| Olney Full Gospel Church 18114 Hillcrest Ave, Olney 20832 | (301) 774-5225 |
| Faith Presbyterian Church 17309 Old Baltimore Rd, Olney 20832 | (301) 774-1657 |
| Familia De Dios 2109 Petersfield Pl, Olney 20832 | (301) 570-1446 |
| Lutheran Church-Good Shepherd 4200 Olney Laytonsville Rd, Olney 20832 | (301) 774-9125 |