USPS - Postal Service in Seneca - Locations & Hours
| Name | Address | Phone | |
|---|---|---|---|
| USPS - Post Office - Seneca | 121 E Armour St | 815-357-8393 | |
| USPS Mail Collection/Drop Box - 121 E Armour St | 121 E Armour St | ||
| USPS Mail Collection/Drop Box - 2464 E 29th Rd | 2464 E 29th Rd | ||
| USPS Mail Collection/Drop Box - 271 S Main St | 271 S Main St | ||