NAD 27 / 83

Zone Name

Map Code

Zone ID

Arkansas North
Arkansas South
Colorado North
Colorado Central
Colorado South
Kansas North
Kansas South
Louisiana North
Louisiana South
Louisiana Offshore
Missouri East
Missouri Central
Missouri West
New Mexico East
New Mexico Central
New Mexico West
Oklahoma North
Oklahoma South
Texas North
Texas North Central
Texas Central
Texas South Central
Texas South

AR_N
AR_S
CO_N
CO_C
CO_S
KS_N
KS_S
LA_N
LA_S
LA_O
MO_E
MO_
MO_W
NM_E
NM_C
NM_W
OK_N
OK_S
TX_N
TX_NC
TX_C
TX_SC
TX_S

0301
0302
0501
0502
0503
1501
1502
1701
1702
1703
2401
2402
2403
3001
3002
3003
3501
3502
4201
4202
4203
4204
4205

NAD 83 Boundary Changes

New Mexico East
New Mexico Central
New Mexico West

NM_E
NM_C
NM_W

3001
3002
3003