PORTLAND — Maine’s Post Offices will be open on Fridays, Christmas Eve, Dec. 24, and New Year’s Eve, Dec. 31. However, many will shorten retail lobby hours and close at noon.

Regular mail delivery will take place. Collection box pick-up times scheduled after noon on those days will be moved to noon.

Customers needing service after noon on those days should contact their local post office for information on locations of post offices that will maintain normal retail hours and lobby collections.

Post office phone numbers can be obtained from the Find a Post Office tool or by calling 1-800-ASK-USPS.

Post offices will be closed on Christmas Day, Dec. 25, and New Year’s Day, Jan. 1. No delivery service (except for Sunday and holiday premium express mail) is scheduled. Regular retail service and mail delivery will resume on the Mondays following the holiday, Dec. 27 and Jan. 3.

For more information, call 1-800-ASK-USPS or check the local USPS news page at usps.com.