Medicare Administrative Contractor (MAC)	State 	Locality Name		
10112	AL	ALABAMA		
02102	AK	ALASKA		
03102	AZ	ARIZONA		
07102	AR	ARKANSAS		
01112	CA	BAKERSFIELD		
01112	CA	CHICO		
01182	CA	EL CENTRO		
01112	CA	FRESNO		
01112	CA	HANFORD-CORCORAN		
01182	CA	LOS ANGELES-LONG BEACH-ANAHEIM (LOS ANGELES CNTY)		
01182	CA	LOS ANGELES-LONG BEACH-ANAHEIM (ORANGE CNTY)		
01112	CA	MADERA		
01112	CA	MERCED		
01112	CA	MODESTO		
01112	CA	NAPA		
01112	CA	SAN FRANCISCO-OAKLAND-HAYWARD (ALAMEDA/CONTRA COSTA CNTY)		
01182	CA	OXNARD-THOUSAND OAKS-VENTURA		
01112	CA	REDDING		
01112	CA	RIVERSIDE-SAN BERNARDINO-ONTARIO		
01112	CA	SACRAMENTO--ROSEVILLE--ARDEN-ARCADE		
01112	CA	SALINAS		
01182	CA	SAN DIEGO-CARLSBAD		
01112	CA	SAN FRANCISCO-OAKLAND-HAYWARD (SAN FRANCISCO CNTY)		
01112	CA	SAN FRANCISCO-OAKLAND-HAYWARD (MARIN CNTY)		
01112	CA	SAN JOSE-SUNNYVALE-SANTA CLARA (SAN BENITO CNTY)		
01182	CA	SAN LUIS OBISPO-PASO ROBLES-ARROYO GRANDE		
01112	CA	SAN FRANCISCO-OAKLAND-HAYWARD (SAN MATEO CNTY)		
01112	CA	SAN JOSE-SUNNYVALE-SANTA CLARA (SANTA CLARA CNTY)		
01112	CA	SANTA CRUZ-WATSONVILLE		
01182	CA	SANTA MARIA-SANTA BARBARA		
01112	CA	SANTA ROSA		
01112	CA	STOCKTON-LODI		
01112	CA	VALLEJO-FAIRFIELD		
01112	CA	VISALIA-PORTERVILLE		
01112	CA	YUBA CITY		
01112	CA	REST OF CALIFORNIA		
04112	CO	COLORADO		
13102	CT	CONNECTICUT		
12202	DC	DC + MD/VA SUBURBS		
12102	DE	DELAWARE		
09102	FL	FORT LAUDERDALE		
09102	FL	MIAMI		
09102	FL	REST OF FLORIDA		
10212	GA	ATLANTA		
10212	GA	REST OF GEORGIA		
01212	HI	"HAWAII, GUAM"		
02202	ID	IDAHO		
06102	IL	CHICAGO		
06102	IL	EAST ST. LOUIS		
06102	IL	SUBURBAN CHICAGO		
06102	IL	REST OF ILLINOIS		
08102	IN	INDIANA		
05102	IA	IOWA		
05202	KS	KANSAS		
15102	KY	KENTUCKY		
07202	LA	NEW ORLEANS		
07202	LA	REST OF LOUISIANA		
14112	ME	SOUTHERN MAINE		
14112	ME	REST OF MAINE		
12302	MD	BALTIMORE/SURR. CNTYS		
12302	MD	REST OF MARYLAND		
14212	MA	METROPOLITAN BOSTON		
14212	MA	REST OF MASSACHUSETTS		
08202	MI	DETROIT		
08202	MI	REST OF MICHIGAN		
06202	MN	MINNESOTA		
07302	MS	MISSISSIPPI		
05302	MO	METROPOLITAN KANSAS CITY		
05302	MO	METROPOLITAN ST. LOUIS		
05302	MO	REST OF MISSOURI		
03202	MT	MONTANA		
05402	NE	NEBRASKA		
01312	NV	NEVADA		
14312	NH	NEW HAMPSHIRE		
12402	NJ	NORTHERN NJ		
12402	NJ	REST OF NEW JERSEY		
04212	NM	NEW MEXICO		
13202	NY	MANHATTAN		
13202	NY	NYC SUBURBS/LONG ISLAND		
13202	NY	POUGHKPSIE/N NYC SUBURBS		
13292	NY	QUEENS		
13282	NY	REST OF NEW YORK		
11502	NC	NORTH CAROLINA		
03302	ND	NORTH DAKOTA		
15202	OH	OHIO		
04312	OK	OKLAHOMA		
02302	OR	PORTLAND		
02302	OR	REST OF OREGON		
12502	PA	METROPOLITAN PHILADELPHIA		
12502	PA	REST OF PENNSYLVANIA		
09202	PR	PUERTO RICO		
14412	RI	RHODE ISLAND		
11202	SC	SOUTH CAROLINA		
03402	SD	SOUTH DAKOTA		
10312	TN	TENNESSEE		
04412	TX	AUSTIN		
04412	TX	BEAUMONT		
04412	TX	BRAZORIA		
04412	TX	DALLAS		
04412	TX	FORT WORTH		
04412	TX	GALVESTON		
04412	TX	HOUSTON		
04412	TX	REST OF TEXAS		
03502	UT	UTAH		
14512	VT	VERMONT		
11302	VA	VIRGINIA		
09202	VI	VIRGIN ISLANDS		
02402	WA	SEATTLE (KING CNTY)		
02402	WA	REST OF WASHINGTON		
11402	WV	WEST VIRGINIA		
06302	WI	WISCONSIN		
03602	WY	WYOMING		
				
 				
				
				
				
				
				
				
				
				
				
