USPS has the following changes to their service:
For more information about any USPS service disruptions to businesses, refer to USPS® Coronavirus Updates for Business Customers.
For more information about USPS post office closures, refer to USPS Business mailers service disruptions.
For more information about which countries USPS is no longer shipping to, refer to USPS's international service disruptions.
For more information on USPS's latest announcements, refer to USPS's official statements.