Tax Tips and Post Office Locations, Hours

Tax Tips

from the U.S. Postal Service

Helpful Mailing Tips:

  • Use First-Class postage. The IRS recognizes the inexpensive First-Class letter postmarked as proof that a return has been mailed on time.

  • Write Clearly. Handwritten addresses on tax return envelopes should be legible - and include a return address.

  • Double-check Postage. Wheigh any return that feels heavier than one ounce. Tax agencies do not accept postage due mail; tax returns bearing insufficient postage will be returned - meaning taxpayers will be penalized for filing late returns.

  • Mail returns in local mailboxes. This helps avoid a mad rush to the post office. But keep in mind: Collection boxes have final pick up times; look for the last time posted on the box to ensure returns will have an April 15 postmark.

  • Use registered mail. This is a good idea for customers who send original receipts to tax agencies without making copies.

For 65 cents you can buy Delivery Confirmation and confirm when your taxes are delivered. You can use this service only if you send your return by Priority Mail. Check with your nearest post office.

  • Information about after hours mailing on TAX DAY, April 15 is also available by calling 1-800-ASK-USPS (275-8777).

  • In addition, the Postal Service's Web site,, provides mailing tips, shipping information, and lists cities that wil offer extended service and tax night activities.

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