UPS Inc. said Monday it has expanded its U.S. early morning delivery territory by more than 7,200 new Zip codes.

American Express, for example, may prompt you to key in your ZIP code at some stores for security purposes. The information is not kept by the merchant and not used for marketing, the company says.

UPS Inc. said it is establishing additional early morning delivery times for air and ground shipments in 2,600 ZIP codes as part of the company’s latest effort to enhance service to business ...