| First Bank - Belleville Branch | Belleville618-394-9774 | 618-394-9774 |
| First Bank - Swansea Branch | Belleville618-236-3011 | 618-236-3011 |
| First Bank - Breese Branch | Breese618-526-7250 | 618-526-7250 |
| First Bank - Brighton Banking Center Branch | Brighton618-372-2020 | 618-372-2020 |
| First Bank - Carbondale Facility | Carbondale618-549-2116 | 618-549-2116 |
| First Bank - Chester Branch | Chester618-826-2111 | 618-826-2111 |
| First Bank - Columbia Facility | Columbia618-281-4102 | 618-281-4102 |
| First Bank - East St. Louis Branch | East Saint Louis618-271-1000 | 618-271-1000 |
| First Bank - Granite City Branch | Granite City618-876-3800 | 618-876-3800 |
| First Bank - Greenville Branch | Greenville618-664-1111 | 618-664-1111 |
| First Bank - Jerseyville Branch | Jerseyville618-498-2151 | 618-498-2151 |
| First Bank - Johnston City Facility | Johnston City618-983-6925 | 618-983-6925 |
| First Bank - O'fallon Branch | O Fallon618-624-7162 | 618-624-7162 |
| First Bank - Green Mount Crossing Branch | O Fallon618-624-7162 | 618-624-7162 |
| First Bank - Red Bud Facility | Red Bud618-282-6255 | 618-282-6255 |
| First Bank - Salem Branch | Salem618-548-2200 | 618-548-2200 |
| First Bank - Valmeyer Branch | Valmeyer618-935-2223 | 618-935-2223 |
| First Bank - Vandalia Facility | Vandalia618-283-2211 | 618-283-2211 |
| First Bank - Waterloo Branch | Waterloo618-939-9407 | 618-939-9407 |
| First Bank - West Frankfort Branch | West Frankfort618-932-2183 | 618-932-2183 |
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