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TRICARE Systems Manual 7950.4-M, April 2021
TRICARE Encounter Data (TED)
Chapter 2
Addendum I
Data Requirements - Contract Area Of Responsibility
Revision:  C-13, October 11, 2024
Figure 2.I-1  Contract Areas Of Responsibility Awarded
State/Contract
Provider State or Country Code
Region
Contractor Number
1  States that are shared with more than one contract.
Alabama
AL
East
1227
Alaska
AK
West
1328
Arizona
AZ
West
1328
Arkansas
AR
EastWest
1228
California
CA
West
1328
Colorado
CO
West
1328
Connecticut
CT
East
1227
Delaware
DE
East
1227
District Of Columbia
DC
East
1227
Florida
FL
East
1227
Georgia
GA
East
1227
Hawaii
HI
West
1328
Idaho
ID
West
1328
Illinois
IL
EastWest
1228
Indiana
IN
East
1227
Iowa1
IA
East/West
12/1328
Kansas
KS
West
1328
Kentucky
KY
East
1227
Louisiana
LA
EastWest
1228
Maine
ME
East
1227
Maryland
MD
East
1227
Massachusetts
MA
East
1227
Michigan
MI
East
1227
Minnesota
MN
West
1328
Mississippi
MS
East
1227
Missouri1
MO
East/West
12/1328
Montana
MT
West
1328
Nebraska
NE
West
1328
Nevada
NV
West
1328
New Hampshire
NH
East
1227
New Jersey
NJ
East
1227
New Mexico
NM
West
1328
New York
NY
East
1227
North Carolina
NC
East
1227
North Dakota
ND
West
1328
Ohio
OH
East
1227
Oklahoma
OK
EastWest
1228
Oregon
OR
West
1328
Overseas
Refer to Addendum A
2021
Pennsylvania
PA
East
1227
TPharm
National
National
7309
Rhode Island
RI
East
1227
South Carolina
SC
East
1227
South Dakota
SD
West
1328
Tennessee1
TN
East
1227
Texas1
TX
East/West
12/1328
TRICARE Dual Eligible Fiscal Intermediary (TDEFIC) Medicare Eligible Program (TMEP)
National
National
7475
Utah
UT
West
1328
Vermont
VT
East
1227
Virginia
VA
East
1227
Washington
WA
West
1328
West Virginia
WV
East
1227
Wisconsin
WI
EastWest
1228
Wyoming
WY
West
1328
- END -
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