For tax-filers deciding to snail mail their returns last minute, here’s how the U.S. Postal Service plans to help.

The Denver General Mail Facility office at 7550 E. 53rd Pl. will stay open until 10 p.m. on April 18. All other post offices will keep regular customer service hours. Many will keep collection boxes outside until 6:30 p.m.

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• Bear Valley Station, 7555 W. Amherst Dr. 
• Capitol Hill Station, 1571 Marion St.
• Downtown Station, 951 20th St.
• Glendale Station, 945 Birch St.    
• Lakewood Station, 10799 W. Alameda Ave.
• Mile High Station, 450 W. 14th St.
• Montclair Station, 8725 E. 11th Ave.
• North Pecos Station, 1411 Cortez St. (only until 5:30)
• Northglenn Station, 11887 Washington St.
• South Denver Station, 225 S. Broadway Blvd.
• Sullivan Station, 8700 E. Jefferson Way
• University Park Station, 3800 Buchtel Blvd. also lets people search for the nearest collection box. And once you’re done, reward yourself. Several companies are offering Tax Day freebies and deals.