MACDILL, FL — MCF

MACOMB, IL — JZY

MACON, GA — MCN

MACON, MO — MCM

MADISON, CT — MAD

MADISON, WI — MSN

MAGNOLIA, MS — MHZ

MAHN, NH — GMA

MAJURO, MARSHALL ISLANDS — MAJ

MALAD CITY, ID — MLD

MALDEN, MO — MAW

MANCHESTER, NH — MHT

MANHATTAN, KS — MHK

MANISTEE, MI — MBL

MANITOWOC, WI — MTW

MANKATO, KS — TKO

MANKATO, MN — MKT

MANNI, MT — BZ

MANNING, SC — MNI

MANNS, OH — MF

MANSFIELD, OH — MFD

MANTEO, NC — MQI

MAPLES, MO — MAP

MARATHON, FL — MTH

MARATHON, TX — IMP

MARCH, CA — RIV

MARCONI, MA — LFV

MARFA, TX — MRF

MARIANNA, FL — MAI

MARION, IL — MWA

MARION, IN — MZZ

MARRA, AL — MG

MARSHALL, MN — MML

MARTHAS VINEYARD, MA — MVY

MARTINIQUE, MARTINIQUE — FOF

MARTINSBURG, WV — MRB

MARVELL, AR — UJM

MARYANN, NJ — EWR

MARYSVILLE, CA — MYV

MASON CITY, IA — MCW

MASSENA, NY — MSS

MATAMOROS, MEXICO — MAM

MATTOON, IL — MTO

MAUI, HI — OGG

MAVERICK, TX — TTT

MAWOC, WI — MT

MAXTN, NC — ME

MAXWELL, AL — MXF

MAYAGUEZ, PR — MAZ

MAYAGUEZ, PR — MAZ

MAYPORT, FL — NRB

MC ALESTER, OK — MLC

MC ALLEN, TX — MFE

MC CLELLAN, CA — MCC

MC COMB, MS — MCB

MC CONNELL, KS — IAB

MC COOK, NE — MCK

MC COOK, NE — MCK

MC ENTIRE, SC — MMT

MC GRATH, AK — MCG

MC GUIRE, NJ — GXU

MC INTOSH, GA — MOQ

MC KELLAR, TN — MKL

MC RAE, GA — MQW

MCCHORD, WA — TCM

MCCOY, WI — CMY

MCDEN, AL — BH

MEDFORD, OR — MFR

MEDICINE BOW, WY — MBW

MEEKER, CO — EKR

MELBOURNE, FL — MLB

MEMPHIS, TN — MEM

MEMPHIS METROPOLITN, TN — MEM

MENDOCINO, CA — ENI

MENOMINEE, MI — MNM

MERIDIAN, MS — MEI

MERIDIAN, MS — NMM

METCALF, MS — MTQ

MICHAEL, UT — MIJ

MIDDLETON ISLAND, AK — MDO

MIDLAND, TX — MAF

MIDLAND, TX — MAF

MIDWAY, QM — MDY

MIDWEST, OH — MXQ

MILE HIGH, CO — DVV

MILES CITY, MT — MLS

MILFORD, UT — MLF

MILLINOCKET, ME — MLT

MILLSAP, TX — MQP

MILNOT, ME — LNT

MILTON, PA — MIP

MINA, NV — MVA

MINCHUMINA, AK — MHM

MINDI, WI — LS

MINERAL CREEK, AK — MNL

MINNEAPOLIS, MN — MSP

MINNEAPOLIS ST PAUL, MN — MSP

MINOT, ND — MOT

MIRAMAR, CA — NKX

MISHA, IN — SB

MISSE, NY — MS

MISSI, TX — MF

MISSION BAY, CA — MZB

MISSOULA, MT — MSO

MITBEE, OK — MMB

MITCHELL, SD — MHE

MOAB, UT — OAB

MOCCA, TN — TR

MODENA, PA — MXE

MODESTO, CA — MOD

MOFFETT, CA — NUQ

MOLINE, IL — MZV

MOLOKAI, HI — MKK

MONROE, LA — MLU

MONROEVILLE, AL — MVC

MONT JOLI, CANADA — YYY

MONTAGUE, CA — MOG

MONTEBELLO, VA — MOL

MONTEVIDEO, MN — MVE

MONTGOMERY, AL — MGM

MONTICELLO, AR — MON

MONTOUR, PA — MMJ

MONTPELIER, VT — MPV

MONTREAL, CANADA — YUL

MONTROSE, CO — MTJ

MONTZ, MN — FQ

MOODY, GA — VAD

MORGANTOWN, WV — MGW

MORMON MESA, NV — MMM

MORRIS, MN — MOX

MORRO BAY, CA — MQO

MOSES LAKE, WA — MWH

MOSES POINT, AK — MOS

MOSSY, LA — CW

MOULTRIE, GA — MGR

MOUNT EDGECUMBE, AK — IME

MOUNT MOFFETT, AK — ADK

MOUNT PLEASANT, MI — MOP

MOUNT SOLEDAD, CA — SAN

MOUNT VERNON, IL — VNN

MOUNTAIN HOME, ID — MUO

MT MACAJNA, GU — AJA

MUDDY MOUNTAIN, WY — DDY

MUFIN, TX — FT

MULLAN PASS, MT — MLP

MUNCIE, IN — MIE

MUSCLE SHOALS, AL — MSL

MUSKEGON, MI — MKG

MUSTANG, NV — FMG

MYSTIC, KY — MYS

MYTON, UT — MTU