It's not even Thanksgiving, but the U.S. Postal Service says the deadline has passed to get a package to the Mainland by Christmas by way of parcel post.

Other mailing deadlines to ensure arrival by Christmas:

Dec. 7: Military mail to overseas by first-class or priority mail.

Dec. 13: First-class mail and priority mail to Guam, Saipan and American Samoa.

Dec. 14: Military mail to overseas by express mail.

Dec. 17: First-class mail and priority mail to U.S. Mainland.

Dec. 19: Express mail to Guam, Saipan and American Samoa.

Dec. 20: Express mail to U.S. Mainland; first-class/priority mail in Hawai'i.

Dec. 22: Express mail within Hawai'i.

Other key dates:

Dec. 17: Busiest mailing day of the year.

Dec. 19: Busiest delivery day of the year.