Post Office-New Castle

Address

112 W Main St, New Castle, CO 81647

Phone

(970) 984-2213

Website

tools.usps.com/find-location.htm?y_source=1_MzM5MTkwNy00NDAtbG9jYXRpb24ud2Vic2l0ZQ==&searchRadius=10&address=81647&locationType=po

Last checked September 23, 2026. Call ahead to confirm hours.

Listing details from Overture Maps open data.