ICE POOL, AK — ICW

IDAHO FALLS, ID — IDA

ILIAMNA, AK — ILI

IMPERIAL, CA — IPL

IMPERIAL BEACH, CA — NRS

INDIAN HEAD, PA — IHD

INDIAN SPRINGS, NV — INS

INDIANAPOLIS INTL, IN — IND

INDUSTRY, TX — IDU

INTERNATIONAL FALLS, MN — INL

IOWA CITY, IA — IOW

IRESH, TX — IL

IRON MOUNTAIN, MI — IMT

IRONHORSE, CO — IHS

IRONWOOD, MI — IWD

ITHACA, NY — ITH