Below is a list of Rockford IA zip codes. For your research we have also included Rockford Area Code, Time Zone, UTC and the local Floyd County FIPS Code. Each Rockford Iowa zip code has a center Longitude / Latitude point (the Rockford center is -92.942901611328 / 43.052299499512). For your convenience we have also indicated if that zip code in Rockford observes Daylight Savings time.