SAN DIEGO — In observance of the Martin Luther King Jr. holiday, Monday, January 20, 2020, Post Offices will be closed nationwide.

There will be no regular mail delivery to homes and businesses except for Priority Mail Express which is delivered 365 days a year.

Martin Luther King Day is a non-widely observed holiday with many businesses open and producing outgoing mail. The Postal Service will be providing the normal scheduled pick-up of blue collection boxes on January 20 as posted at each location. Customers are encouraged to deposit their outgoing mail before the posted pick-up time and get their mail on its way.

Businesses that will be open and receiving packages on MLK Day may at that time give their outgoing mail to the letter carrier. Businesses generating a large volume of packages are encouraged to notify their letter carrier by January 17th to make arrangements for pick up.

Customers will also be able to purchase stamps, weigh and post mail and ship packages at Post Office locations with self-service kiosks. Customers can check self-service locations at usps.com, under Quick Tools — Find USPS Locations, and select “Self-Service Kiosks” as location type. Customers can also call 1-800-ASK-USPS (1-800-275-8777) for information.

All Post Offices will be open and regular mail delivery will resume Tuesday, January 21.

The Postal Service does not receive tax dollars for operating expenses; it relies entirely on the sale of postage, products and services to fund its operations.

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