No. USPS don’t have a live chat. We suggest you contact USPS by phone call. The phone number of United States Postal Service¬† is 1-800-222-1811, 1-800-275-8777 or 1-800-ASK-USPS. And if you want to track your USPS package, click here and track:¬†https://www.trackingmore.com/usps-tracking.html