You can drop off USPS packages at any USPS Post Office USPS blue collection boxes USPS self-service kiosks USPS approved postal providers and USPS package pickup locations. You can also schedule a free USPS package pickup from your home or office by visiting the USPS website or calling 1-800-ASK-USPS. 1. Where can I drop off… Continue reading where can i drop off usps packages?