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Banks in Williamsville, NY
FDIC data lists 17 bank branch locations in Williamsville, New York, operated by 7 FDIC-insured banks.
Banks with branches in Williamsville
Manufacturers and Traders Trust Company (5) · KeyBank National Association (4) · NBT Bank, National Association (3) · Citizens Bank, National Association (2) · Bank of America, National Association (1) · NEXTIER BANK, NATIONAL ASSOCIATION (1) · CNB Bank (1)
All branch locations
| Bank of America, National Association Transit Road Branch · Full Service - Brick And Mortar | 7864 Transit Rd Williamsville, NY 14221 Map ↗ |
| CNB Bank Williamsville Branch · Full Service - Brick And Mortar | 5190 Sheridan Dr Williamsville, NY 14221 Map ↗ |
| Citizens Bank, National Association Main / Transit · Full Service - Brick And Mortar | 6850 Main St Williamsville, NY 14221 Map ↗ |
| Citizens Bank, National Association Georgetown Square Branch · Full Service - Brick And Mortar | 5225 Sheridan Dr Williamsville, NY 14221 Map ↗ |
| KeyBank National Association Eastern Hills-Transit Branch · Full Service - Brick And Mortar | 4455 Transit Rd Williamsville, NY 14221 Map ↗ |
| KeyBank National Association Clarence Branch · Full Service - Brick And Mortar | 8899 Main St Williamsville, NY 14221 Map ↗ |
| KeyBank National Association Evans-Sheridan Branch · Full Service - Brick And Mortar | 5173 Sheridan Dr Williamsville, NY 14221 Map ↗ |
| KeyBank National Association North Forest Branch · Full Service - Brick And Mortar | 5200 Main St Williamsville, NY 14221 Map ↗ |
| Manufacturers and Traders Trust Company North Forest Branch · Full Service - Brick And Mortar | 740 Maple Rd Williamsville, NY 14221 Map ↗ |
| Manufacturers and Traders Trust Company Eastern Hills Branch · Full Service - Brick And Mortar | 7300 Transit Rd Williamsville, NY 14221 Map ↗ |
| Manufacturers and Traders Trust Company Amherst Center Branch · Limited Service - Drive Thru/Detached Facility | 1100 Wehrle Dr Williamsville, NY 14221 Map ↗ |
| Manufacturers and Traders Trust Company Sheridan Evans Branch · Full Service - Brick And Mortar | 428 Evans St Williamsville, NY 14221 Map ↗ |
| Manufacturers and Traders Trust Company Transit Maple Branch · Full Service - Brick And Mortar | 5225 Transit Rd Williamsville, NY 14221 Map ↗ |
| NBT Bank, National Association Administrative Office Branch · Limited Service - Administrative | 6460 Main St Williamsville, NY 14221 Map ↗ |
| NBT Bank, National Association Clarence Branch · Full Service - Brick And Mortar | 8411 Main St Williamsville, NY 14221 Map ↗ |
| NBT Bank, National Association Williamsvile Branch · Full Service - Brick And Mortar | 5178 Main St Williamsville, NY 14221 Map ↗ |
| NEXTIER BANK, NATIONAL ASSOCIATION Williamsville Branch · Full Service - Brick And Mortar | 5877 Main St Williamsville, NY 14221 Map ↗ |
Source: FDIC BankFind Suite, data as of 2026-10-30. Confirm hours and services directly with the bank.