Loveland, Colorado, known as the Sweetheart City, has a beloved tradition of re-mailing and specially postmarking Valentine’s Day cards that’s been charming people worldwide for nearly 80 years.The Valentine Re-Mailing Program began in 1947, initiated by Postmaster Elmer Ivers and Loveland Chamber of Commerce President Ted Thompson. It started as a way to capitalize on the city’s romantic name, and it quickly grew into the largest valentine re-mailing program of its kind in the world. Each year, around 100,000 to 160,000 cards arrive from all 50 U.S. states and over 100 countries. Here’s how it works: People send pre-addressed and pre-stamped Valentine’s Day envelopes (or cards) inside a larger envelope to the Loveland post office. Volunteers then handstamp each one with a unique cachet (a decorative design, often featuring a love-themed poem or message) created by a local artist through an annual contest, plus a special Loveland postmark. The cards are then re-mailed to their recipients, arriving with that extra touch of romance from the Sweetheart City

The tradition has expanded over the years with related events like the Sweetheart Festival, crowning a Miss Loveland Valentine (a tradition since 1962), heart-decorated streetlamps, and group weddings. In 2026, the program will celebrate its 80th anniversary. It’s a heartfelt way Loveland spreads love globally—one stamped envelope at a time!

Loveland Colorado’s address: Postmaster
Attention: Valentine Re-Mailing
446 E. 29th Street
Loveland, CO 80538-9998