usps first class mail service

usps first class mail service USPS First Class Mail Service is an affordable option for mailing letters, postcards, and small parcels under 13 ounces. It offers delivery times between 1 to 5 business days, depending on the destination. First Class Mail is one of the most commonly used services by individuals and small businesses for everyday mail. While it doesn’t include tracking for letters, it does for packages, and the service includes free forwarding and return services. The low cost and reliability make it a popular choice for personal and business correspondence.