Service Alerts

Last update: Dec. 13, 2019, 4:30 p.m. ET

California power outages

California utility companies are cutting power to parts of the state due to the threat of high winds and extreme fire hazard. Hundreds of thousands of homes and businesses are affected, including some Post Office locations. Customers can expect impacts to retail operations in affected offices. Mail delivery is continuing where possible. We appreciate your patience as we work to respond to this fluid situation.

See Current delivery issues under Residential customers below.

USPS Service Alerts provide information to consumers, small businesses and business mailers about postal facility service disruptions due to weather-related and other natural disasters or events.

Visit or to prepare for hurricanes and severe weather.

Service disruptions

Residential customers and small businesses can learn if mail is being delivered, or if their Post Offices are open. Business mailers get more detailed information about USPS mail processing facilities, and the operating status of delivery units, as well as any impacts on mail delivery overseas.

Contact us

Residential customers

Residential customers should check this Mail Service Disruptions website first for current, frequently-updated information about whether mail is being delivered to your neighborhood or if your local Post Office is open. Or you can call our customer service center at 1-800-ASK-USPS (800-275-8777).

Business mailers

Business customers should contact the Business Service Network headquarters communications manager for additional service information or to report a disruption. You can email us at

Business customers needing additional support or who have questions should contact your local Business Service Network or visit PostalPro.