| Business | Phone |
| Bethany Lutheran Church 1706 Leo Moss Dr, Olean 14760 | (716) 372-1914 |
| Bethel Ame Church 400 W Green St, Olean 14760 | (716) 372-1832 |
| Bethel Assembly Of God 772 Main St, Olean 14760 | (716) 372-8885 |
| Bethel Baptist Church 819 E State St, Olean 14760 | (716) 372-8588 |
| Calvary Baptist Church 127 N 7th St, Olean 14760 | (716) 372-6185 |
| Christ United Methodist Church 633 Linwood Ave, Olean 14760 | (716) 372-3495 |
| Church Of Jesus Christ Of Lds 1935 Windfall Rd, Olean 14760 | (716) 372-5515 |
| Church Of The Nazarene 103 Jefferson St, Olean 14760 | (716) 372-6720 |
| Cornerstone Full Gospel 118 Brookview Ave, Olean 14760 | (716) 372-6073 |
| First Baptist Church 133 S Union St, Olean 14760 | (716) 372-5151 |
| First Church-Christ Scientist 201 E State St, Olean 14760 | (716) 372-4677 |
| First Presbyterian Church 212 Laurens St, Olean 14760 | (716) 372-7844 |
| Grace Alliance Church 1513 Main St, Olean 14760 | (716) 372-3450 |
| Hillside Wesleyan Church 753 Prospect Ave, Olean 14760 | (716) 372-5677 |
| Immanuel Lutheran Church 417 Laurens St, Olean 14760 | (716) 372-0650 |
| Jehovah's Witnesses 2275 Dugan Rd, Olean 14760 | (716) 372-1105 |
| Mt Zion Christian Assembly 361 Front St, Olean 14760 | (716) 373-7127 |
| New Hope Fellowship 109 S 6th St, Olean 14760 | (716) 372-1618 |
| New Hope Fellowship 115 S 16th St, Olean 14760 | (716) 373-4673 |
| Rhema Christian Fellowship 3036 W State St, Olean 14760 | (716) 375-7777 |
| Rock Of Revelation Church 1009 Griffin St, Olean 14760 | (716) 375-9131 |
| Sacred Temple Cogdc 403 Alder St, Olean 14760 | (716) 373-4428 |
| Seventh-Day Adventist Church 620 W Sullivan St, Olean 14760 | (716) 372-0693 |
| Showers United Methodist Chr 1803 W State St, Olean 14760 | (716) 372-2454 |
| St John's Roman Catholic Chr 931 N Union St, Olean 14760 | (716) 372-5313 |
| St Joseph's Catholic Maronite 331 N 4th St, Olean 14760 | (716) 372-4311 |
| St Mary Of Angels Church 202 S Union St, Olean 14760 | (716) 372-4841 |
| St Stephen's Episcopal Church 109 S Barry St, Olean 14760 | (716) 372-5628 |
| Transfiguration Church 1102 Walnut St, Olean 14760 | (716) 372-5430 |
| Trinity United Methodist Chr 131 N 9th St, Olean 14760 | (716) 372-5067 |
| United Pentecostal Church 1100 Homer St, Olean 14760 | (716) 373-7456 |