| First Bank - Arnold Dierbergs | Arnold636-287-3475 | 636-287-3475 |
| First Bank - Arnold Facility | Arnold636-464-3600 | 636-464-3600 |
| First Bank - Twin Oaks Branch | Ballwin636-225-9990 | 636-225-9990 |
| First Bank - Ellisville Branch | Ballwin636-227-3600 | 636-227-3600 |
| First Bank - Manchester Road Branch | Ballwin636-230-1200 | 636-230-1200 |
| First Bank - Beaufort Branch | Beaufort573-484-3324 | 573-484-3324 |
| First Bank - Bismarck Branch | Bismarck573-734-2511 | 573-734-2511 |
| First Bank - Four Seasons Facility | Chesterfield314-579-1600 | 314-579-1600 |
| First Bank - Town & Country Office | Chesterfield636-386-3811 | 636-386-3811 |
| First Bank - Chesterfield | Chesterfield636-537-9444 | 636-537-9444 |
| First Bank - Dutzow Facility | Dutzow636-433-2231 | 636-433-2231 |
| First Bank - Farmington Branch | Farmington573-701-0651 | 573-701-0651 |
| First Bank - Graham Road Branch | Florissant314-837-8888 | 314-837-8888 |
| First Bank - Florissant - Dierberg's | Florissant314-837-9032 | 314-837-9032 |
| First Bank - Halls Ferry Branch | Florissant314-830-6333 | 314-830-6333 |
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| First Bank - Gerald Facility | Gerald573-764-3324 | 573-764-3324 |
| First Bank - Wildwood Branch | Grover636-405-2966 | 636-405-2966 |
| First Bank - Firstbanks.Com Branch | Hazelwood314-264-0200 | 314-264-0200 |
| First Bank - Hermann Facility | Hermann573-486-2121 | 573-486-2121 |
| First Bank - Lake Saint Louis Facility | Lake Saint Louis636-625-4000 | 636-625-4000 |
| First Bank - Montgomery City Facility | Montgomery City573-564-2227 | 573-564-2227 |
| First Bank - Dardenne Crossing | O Fallon636-695-4545 | 636-695-4545 |
| First Bank - Deer Creek Branch | O Fallon636-379-2856 | 636-379-2856 |
| First Bank - Owensville Facility | Owensville573-437-4121 | 573-437-4121 |
| First Bank - Park Hills Branch | Park Hills573-431-4888 | 573-431-4888 |
| First Bank - Bogey Hills Branch | Saint Charles636-936-8366 | 636-936-8366 |
| First Bank - St. Charles Branch | Saint Charles636-947-1346 | 636-947-1346 |
| First Bank - Highway 94 Branch | Saint Charles636-947-1346 | 636-947-1346 |
| First Bank | Saint Louis314-995-8700 | 314-995-8700 |
| First Bank - Warson Woods Branch | Saint Louis314-962-5180 | 314-962-5180 |
| First Bank - Riverview Branch | Saint Louis314-868-8450 | 314-868-8450 |
| First Bank - Kirkwood Facility | Saint Louis314-909-5600 | 314-909-5600 |
| First Bank - Brentwood Pointe Branch | Saint Louis314-961-7727 | 314-961-7727 |
| First Bank - Webster Branch | Saint Louis314-301-4500 | 314-301-4500 |
| First Bank - Craig Branch | Saint Louis314-567-4486 | 314-567-4486 |
| First Bank - Shrewsbury Branch | Saint Louis314-301-4550 | 314-301-4550 |
| First Bank - Hampton Branch | Saint Louis314-752-3130 | 314-752-3130 |
| First Bank - 7th & Olive Branch | Saint Louis314-436-2085 | 314-436-2085 |
| First Bank - Lemay Ferry Branch | Saint Louis314-892-1699 | 314-892-1699 |
| First Bank - Tesson Ferry Road Branch | Saint Louis314-849-2311 | 314-849-2311 |
| First Bank - Clayton Branch | Saint Louis314-854-4600 | 314-854-4600 |
| First Bank - Telegraph Branch | Saint Louis314-487-7810 | 314-487-7810 |
| First Bank - 79 Crossing Branch | Saint Peters636-397-1751 | 636-397-1751 |
| First Bank - Ste Genevieve-Plaza Branch | Sainte Genevieve573-883-2715 | 573-883-2715 |
| First Bank - Warrenton Facility | Warrenton636-456-4141 | 636-456-4141 |
| First Bank - Washington Branch | Washington636-239-4900 | 636-239-4900 |
| First Bank - Wentzville Facility | Wentzville636-327-8115 | 636-327-8115 |
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