SANTA CLARITA, CA — Most Sierra Coastal Postal District Post Offices will be open Christmas Eve, Saturday, Dec. 24 and New Year’s Eve, Dec. 31, 2011, but some will either be closed or shorten retail lobby hours. Mail delivery on Dec. 24 and Dec. 31 is unaffected by the change. Revised hours are posted at each Post Office and commercial customers are asked to check with their Bulk Mail Acceptance Unit for Dec. 24 hours of operation.

Customers may call 1-800-ASK-USPS or visit usps.com for information about specific Post Offices. In addition, mail should be deposited into blue collection mailboxes by noon for early pick-up on Dec. 24.

All Post Offices will be closed Sunday, Dec. 25 and Monday, Dec. 26, and Sunday, Jan. 1 and Monday, Jan. 2. Express Mail only will be delivered on Christmas Day and New Year’s Day in most major metropolitan areas. All Post Offices will be open regular hours on Tuesday, Dec. 27, 2011 and Jan. 3, 2012, and regular mail delivery will resume.

The Sierra Coastal Postal District encompasses the Bakersfield, Santa Barbara, San Luis Obispo, Pasadena, Kern County and Santa Clarita areas.

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Please Note: For broadcast quality video and audio, photo stills and other media resources, visit the USPS Newsroom at www.usps.com/news.

A self-supporting government enterprise, the U.S. Postal Service is the only delivery service that reaches every address in the nation, 150 million residences, businesses and Post Office Boxes. The Postal Service receives no tax dollars for operating expenses, and relies on the sale of postage, products and services to fund its operations. With 32,000 retail locations and the most frequently visited website in the federal government, usps.com, the Postal Service has annual revenue of more than $67 billion and delivers nearly 40 percent of the world’s mail. If it were a private sector company, the U.S. Postal Service would rank 29th in the 2010 Fortune 500. Black Enterprise and Hispanic Business magazines ranked the Postal Service as a leader in workforce diversity. The Postal Service has been named the Most Trusted Government Agency six consecutive years and the sixth Most Trusted Business in the nation by the Ponemon Institute.