| Business | Phone |
| Presbyterian Church Library 300 N Forest Rd, Williamsville 14221 | (716) 631-0979 |
| Randall Memorial Baptist Chr 6301 Main St, Williamsville 14221 | (716) 634-9800 |
| Ss Peter & Paul Catholic Chr 5480 Main St, Williamsville 14221 | (716) 632-2559 |
| All Saints Episcopal Church 781 Maple Rd, Williamsville 14221 | (716) 632-0791 |
| Amherst Lutheran Church 5125 Main St, Williamsville 14221 | (716) 632-4185 |
| Amherst Presbyterian Church 151 S Youngs Rd, Williamsville 14221 | (716) 633-4656 |
| St Gregory The Great Rc Chr 250 Saint Gregory Ct, Williamsville 14221 | (716) 688-5678 |
| St John Lutheran Church 6540 Main St, Williamsville 14221 | (716) 632-6557 |
| St John's Lutheran Home-Child 5125 Main St, Williamsville 14221 | (716) 632-2623 |
| St Paul's Episcopal Church 4275 Harris Hill Rd, Williamsville 14221 | (716) 632-8221 |
| St Paul's Lutheran Church 68 Eagle St, Williamsville 14221 | (716) 634-2330 |
| St Stephen Byzantine Church 620 Ayer Rd, Williamsville 14221 | (716) 688-9290 |
| St Theodore Orthodox Church 96 Los Robles St, Williamsville 14221 | (716) 634-6712 |
| Calvary Episcopal Church 20 Milton St, Williamsville 14221 | (716) 633-7800 |
| Christian Science Churches 111 S Youngs Rd, Williamsville 14221 | (716) 634-0650 |
| Church Of Jesus Christ Of Lds 1424 Maple Rd, Williamsville 14221 | (716) 688-2071 |
| Unitarian Universalist Church 6320 Main St, Williamsville 14221 | (716) 634-3010 |
| Eastern Hills Wesleyan Church 5565 Transit Rd, Williamsville 14221 | (716) 639-7491 |
| Eastern Hills Wesleyan Church 8180 Greiner Rd, Williamsville 14221 | (716) 688-7165 |
| Eastern Hills Wesleyan Church 8445 Greiner Rd, Williamsville 14221 | (716) 689-5900 |
| Evangel Assembly Of God 1800 Maple Rd, Williamsville 14221 | (716) 688-4941 |
| Faith United Church Of Christ 1300 Maple Rd, Williamsville 14221 | (716) 689-9274 |
| First Love Christian Williamsville 14221 | (716) 634-0059 |
| Williamsville United Meth Chr 5681 Main St, Williamsville 14221 | (716) 634-4800 |
| Harris Hill Baptist Church 5071 Harris Hill Rd, Williamsville 14221 | (716) 689-3199 |
| Harris Hill United Methodist 8495 Main St, Williamsville 14221 | (716) 632-4688 |
| Harris Hills Mennonite 5225 Harris Hill Rd, Williamsville 14221 | (716) 688-6867 |
| Jehovah's Witnesses 6710 Main St, Williamsville 14221 | (716) 634-0902 |
| Lutheran Campus Ministry 1407 N Forest Rd, Williamsville 14221 | (716) 688-4064 |
| Missouri Syn Eastern Dist Office 5111 Main St, Williamsville 14221 | (716) 634-5111 |
| Nativity Blessed Virgin Mary 4375 Harris Hill Rd, Williamsville 14221 | (716) 632-8838 |
| Newman Center 6325 Main St, Williamsville 14221 | (716) 632-8898 |
| Niagara Reformed Presbyterian 10 Indian Trail Rd, Williamsville 14221 | (716) 631-8208 |
| North Presbyterian Church 300 N Forest Rd, Williamsville 14221 | (716) 632-1330 |