| Business | Phone |
| Washington Mutual 63 Whitfield St # 2, Guilford 6437 | (203) 458-1762 |
| Webster Bank 1069 Boston Post Rd, Guilford 6437 | (203) 458-5320 |
| Bank Of America 916 Boston Post Rd, Guilford 6437 | (203) 000-1111 |
| Citizens Bank 1001 Boston Post Rd, Guilford 6437 | (203) 458-4111 |
| New Alliance Bank 1021 Boston Post Rd, Guilford 6437 | (203) 453-6585 |
| Guilford Food Bank 45 Stone House Ln, Guilford 6437 | (203) 453-8166 |
| Guilford Savings Bank 1 Park St, Guilford 6437 | (203) 453-2015 |
| Guilford Savings Bank 625 Boston Post Rd, Guilford 6437 | (203) 453-6314 |