Tax mailing options are limited for Monday, mail them early to ensure delivery

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DENVER — Last-minute tax filers have to get returns mailed Monday to guarantee an April 18 postmark, the deadline for filing.

With the exception of one location, the Postal Service will not be staying open late Monday. The Denver General Mail Facility office at 7500 E. 53rd Place will be open until midnight.

All other Post Office locations will maintain normal hours.

The following will have the collection boxes outside the office available for properly stamped envelopes until midnight. At all of these locations, there are self-service stamp kiosks for stamp purchases:
• Bear Valley Station, 7555 W. Amherst
• 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.
• Northglenn Station, 11887 Washington St.
• South Denver Station, 225 S. Broadway
• Sullivan Station, 8700 E. Jefferson Way
• University Park Station, 3800 Buchtel Blvd.

The Postal Service has provided the following tax mailing tips:

• Apply the proper postage or stamps, especially if enclosing extra forms and schedules. Using a regular size Number 2 envelope, First Class postage costs 47 cents for the first ounce.
• For heavier envelopes, add extra stamps or postage amounting to 21 cents for each additional ounce.
• If you are not sure about the correct postage, it is best to add additional stamps, or take your forms to the Post Office to ensure that correct postage is applied.
• Make sure you print the proper IRS address on the front of the envelope.
• Print your return address in the upper-left-hand corner of your tax mail envelope.
• Customers who wish certification that their tax mail form was sent, should send it Certified Mail
• Customers with IRS tax questions can contact the IRS at 1-800-829-1040; or go to IRS.gov

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