IA — NIAGARA FALLS, NY

IAB — WICHITA, KS

IAG — NIAGARA FALLS, NY

IAH — HOUSTON, TX

IC — WICHITA, KS

ICK — ANNETTE ISLAND, AK

ICT — WICHITA, KS

ICT — WICHITA, KS

ICW — NENANA, AK

IDA — IDAHO FALLS, ID

IDJ — BEMIDJI, MN

IDQ — COTTONWODD, ID

IDU — INDUSTRY, TX

IFI — KINGFISHER, OK

IGB — COLUMBUS, MS

IGM — KINGMAN, AZ

IGN — KINGSTON, NY

IHD — SEVEN SPRINGS, PA

IHS — FORT CARSON, CO

IIP — DOUGLAS, WY

IIU — LOUISVILLE, KY

IJX — JACKSONVILLE, IL

IK — KANKAKEE, IL

IKK — KANKAKEE, IL

IL — WILMINGTON, DE, DE

IL — WILMINGTON, NC, NC

IL — WILMINGTON, OH, OH

IL — KILLEEN, TX

ILA — WILLIAMS, CA

ILC — WILSON CREEK, NV

ILI — ILIAMNA, AK

ILM — WILMINGTON, NC

ILR — BURNS, OR

IM — ASHEVILLE, NC

IMB — KIMBERLY, OR

IME — SITKA, AK

IMP — MARATHON, TX

IMT — IRON MOUNTAIN KINGSFORD, MI

IND — INDIANAPOLIS, IN

INK — WINK, TX

INL — INTERNATIONAL FALLS, MN

INS — INDIAN SPRINGS, NV

INW — WINSLOW, AZ

IOW — IOWA CITY, IA

IPL — IMPERIAL, CA

IRK — KIRKSVILLE, MO

IRQ — COLLIERS, SC

IRS — STURGIS, MI

IRW — OKLAHOMA CITY, OK

IS — KINSTON, NC

IS — NEW YORK, NY

ISN — WILLISTON, ND

ISO — KINSTON, NC

ISP — NEW YORK, NY

ISQ — MANISTIQUE, MI

ITH — ITHACA, NY

ITO — HILO, HI

ITR — BURLINGTON, CO

IWA — PHOENIX, AZ

IWD — IRONWOOD, MI

IY — CHARLES CITY, IA