Locality Key

Counties in 2024 Localities, Listed Alphabetically by State & Locality

Use this list to find the locality and MAC numbers based on your practice's State/County/Fee Schedule Area.

Alabama

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	10112	00

 

Alaska

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	02102	01

 

Arizona

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	03102	00

 

Arkansas

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	07102	13

 

California

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
LOS ANGELES-LONG BEACH-ANAHEIM (LOS ANGELES/ORANGE CNTY)	LOS ANGELES/ORANGE	01182	18
SAN FRANCISCO-OAKLAND-BERKELEY (MARIN CNTY)	MARIN	01112	52
SAN FRANCISCO-OAKLAND-BERKELEY (SAN FRANCISCO/SAN MATEO/ALAMEDA/CONTRA COSTA CNTY)	SAN FRANCISCO/SAN MATEO/ALAMEDA/CONTRA COSTA	01112	05
SAN JOSE-SUNNYVALE-SANTA CLARA (SANTA CLARA CNTY)	SANTA CLARA	01112	09
NAPA	NAPA	01112	51
VALLEJO	SOLANO	01112	53
BAKERSFIELD	KERN	01112	54
CHICO	BUTTE	01112	55
FRESNO	FRESNO	01112	56
HANFORD-CORCORAN	KINGS	01112	57
MADERA	MADERA	01112	58
MERCED	MERCED	01112	59
MODESTO	STANISLAUS	01112	60
REDDING	SHASTA	01112	61
RIVERSIDE-SAN BERNARDINO-ONTARIO	SAN BERNARDINO, RIVERSIDE	01112	62
SACRAMENTO-ROSEVILLE-FOLSOM	SACRAMENTO, PLACER, YOLO, EL DORADO	01112	63
SALINAS	MONTEREY	01112	64
SAN JOSE-SUNNYVALE-SANTA CLARA (SAN BENITO CNTY)	SAN BENITO	01112	65
SANTA CRUZ-WATSONVILLE	SANTA CRUZ	01112	66
SANTA ROSA-PETALUMA	SONOMA	01112	67
STOCKTON	SAN JOAQUIN	01112	68
VISALIA	TULARE	01112	69
YUBA CITY	SUTTER, YUBA	01112	70
EL CENTRO	IMPERIAL	01182	71
SAN DIEGO-CHULA VISTA-CARLSBAD	SAN DIEGO	01182	72
SAN LUIS OBISPO-PASO ROBLES	SAN LUIS OBISPO	01182	73
SANTA MARIA-SANTA BARBARA	SANTA BARBARA	01182	74
OXNARD-THOUSAND OAKS-VENTURA	VENTURA	01182	17
REST OF STATE*	ALL OTHER COUNTIES	01112	75

 

Colorado

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	04112	01

 

Connecticut

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	13102	00

 

Delaware

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	12102	01

 

District of Columbia

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	12202	01

 

Florida

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
FORT LAUDERDALE	BROWARD, COLLIER, INDIAN  RIVER, LEE, MARTIN, PALM BEACH, AND ST. LUCIE	09102	03
MIAMI	DADE AND MONROE	09102	04
REST OF STATE	ALL OTHER COUNTIES	09102	99

 

Georgia

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
BUTTS, CHEROKEE, CLAYTON, COBB, DEKALB, DOUGLAS, FAYETTE, FORSYTH, FULTON, GWINNETT, HENRY,  NEWTON, PAULDING, ROCKDALE AND WALTON	ATLANTA	10212	01
ALL OTHER COUNTIES	REST OF STATE	10212	99

 

Hawaii/Guam

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	01212	01

 

Idaho

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	02202	00

 

Illinois

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
COOK	CHICAGO	06102	16
BOND, CALHOUN,  CLINTON, JERSEY, MACOUPIN,  MADISON,  MONROE, MONTGOMERY, RANDOLPH, ST. CLAIR AND WASHINGTON	EAST ST. LOUIS	06102	12
DUPAGE, KANE, LAKE AND WILL	SUBURBAN  CHICAGO	06102	15
ALL OTHER COUNTIES	REST OF STATE	06102	99

 

Indiana

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	08102	00

 

Iowa

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	05102	00

 

Kansas

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE*	05202	00

 

Kentucky

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	15102	00

 

Louisiana

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
JEFFERSON, ORLEANS, PLAQUEMINES  AND ST. BERNARD	NEW ORLEANS	07202	01
ALL OTHER COUNTIES	REST OF STATE	07202	99

 

Maine

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
CUMBERLAND  AND YORK	SOUTHERN MAINE	14112	03
ALL OTHER COUNTIES	REST OF STATE	14112	99

 

Maryland

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ANNE ARUNDEL, BALTIMORE, BALTIMORE CITY, CARROLL, HARFORD AND HOWARD	BALTIMORE/SURR. CNTYS	12302	01
ALL OTHER COUNTIES	REST OF STATE	12302	99

 

Massachusetts

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
MIDDLESEX,  NORFOLK AND SUFFOLK	METROPOLITAN BOSTON	14212	01
ALL OTHER COUNTIES	REST OF STATE	14212	99

 

Michigan

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
MACOMB, OAKLAND, WASHTENAW AND WAYNE	DETROIT	08202	01
ALL OTHER COUNTIES	REST OF STATE	08202	99

 

Minnesota

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	06202	00

 

Mississippi

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	07302	00

 

Missouri

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
CLAY, JACKSON AND PLATTE	METROPOLITAN KANSAS CITY	05302	02
JEFFERSON, ST. CHARLES, ST. LOUIS AND ST. LOUIS CITY	METROPOLITAN ST. LOUIS	05302	01
ALL OTHER COUNTIES	REST OF STATE*	05302	99

 

Montana

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	03202	01

 

Nebraska

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	05402	00

 

Nevada

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	01312	00

 

New Hampshire

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	14312	40

 

New Jersey

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
BERGEN, ESSEX, HUDSON, HUNTERDON,  MIDDLESEX,  MORRIS, PASSAIC, SOMERSET, SUSSEX, UNION  AND WARREN	NORTHERN NJ	12402	01
ALL OTHER COUNTIES	REST OF STATE	12402	99

 

New Mexico

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	04212	05

 

New York

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
NEW YORK	MANHATTAN	13202	01
BRONX,  KINGS, NASSAU,  RICHMOND, ROCKLAND, SUFFOLK AND WESTCHESTER	NYC SUBURBS/LONG  ISLAND	13202	02
COLUMBIA, DELAWARE, DUTCHESS, GREENE, ORANGE, PUTNAM, SULLIVAN AND ULSTER	POUGHKPSIE/N  NYC SUBURBS	13202	03
QUEENS	QUEENS	13292	04
ALL OTHER COUNTIES	REST OF STATE	13282	99

 

North Carolina

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	11502	00

 

North Dakota

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	03302	01

 

Ohio

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	15202	00

 

Oklahoma

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	04312	00

 

Oregon

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
CLACKAMAS, MULTNOMAH AND WASHINGTON	PORTLAND	02302	01
ALL OTHER COUNTIES	REST OF STATE	02302	99

 

Pennsylvania

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
BUCKS, CHESTER, DELAWARE, MONTGOMERY AND PHILADELPHIA	METROPOLITAN PHILADELPHIA	12502	01
ALL OTHER COUNTIES	REST OF STATE	12502	99

 

Puerto Rico

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTY EQUIVALENTS	PUERTO RICO	09202	20

 

Rhode Island

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	14412	01

 

South Carolina

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	11202	01

 

South Dakota

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	03402	02

 

Tennessee

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	10312	35

 

Texas

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
TRAVIS	AUSTIN	04412	31
JEFFERSON	BEAUMONT	04412	20
BRAZORIA	BRAZORIA	04412	09
DALLAS	DALLAS	04412	11
TARRANT	FORT WORTH	04412	28
GALVESTON	GALVESTON	04412	15
HARRIS	HOUSTON	04412	18
ALL OTHER COUNTIES	REST OF STATE	04412	99

 

Utah

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	03502	09

 

Vermont

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	14512	50

 

Virgin Islands

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTY EQUIVALENTS	VIRGIN ISLANDS	09202	50

 

Virginia

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES,  EXCEPT ALEXANDRIA  CITY, ARLINGTON, FAIRFAX, FAIRFAX CITY, AND FALLS CHURCH CITY	STATEWIDE	11302	00

 

Washington

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
KING	SEATTLE (KING CNTY)	02402	02
ALL OTHER COUNTIES	REST OF STATE	02402	99

 

West Virginia

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	11402	16

 

Wisconsin

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	06302	00

 

Wyoming

Counties	Fee Schedule Area	Medicare Administrative Contractor	Locality Number
ALL COUNTIES	STATEWIDE	03602	21

 

*Payment locality is serviced by two MACs