Richville Post Office160 Main St, Richville, NY 13681Contact Numbers Phone: 315-287-2780 TTY: 877-889-2457 Toll-Free: 1-800-Ask-USPS® (275-8777) Retail Hours Monday 8:00am - 12:00pmTuesday 8:00am - 12:00pmWednesday 8:00am - 12:00pmThursday 8:00am - 12:00pmFriday 8:00...