Apt: MB

ALASKA	MBA	MANOKOTAK
MICHIGAN	MBS	SAGINAW MBS INTL
MICHIGAN	MBL	MANISTEE CO
MISSISSIPPI	MBO	MADISON BRUCE CAMPBELL FLD
MISSOURI	MBY	MOBERLY OMAR N BRADLEY
SOUTH DAKOTA	MBG	MOBRIDGE MUNI
TENNESSEE	MBT	MURFREESBORO MUNI