Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds
Those who have received at least one delivery report the amount of mail was small, entirely inconsistent with what should be a large backlog of nearly a week's worth of deliveries.
The USPS Service Alerts page is showing no specific alerts for Bethesda or Silver Spring. Nor is it citing any particular issue that would impair deliveries. A @USPSHelp Twitter account appears to be of little "help" to those tweeting to it.