AIR FORCE. T.O.10M1-7-9-1-1 ARMY TM 11-5895-1021-14/1 MARINE CORPS TM 08045-15/1 Table 3-1.  Intercom Directory (Continued) Shelter ID Code AS200 Calling Station ID Code AS201 Calling Station ID Code AS202 Destination Station Pushbutton Destination Station Pushbutton ID Code Number ID Code Number IS211 1 IS211 1 IS212 2 IS212 2 IS221 3 IS221 3 IS222 4 IS222 4 IS231 5 IS231 5 IS232 6 IS232 6 IS111 7 IS111 7 IS112 8 IS112 8 IS121 9 IS121 9 IS122 10 IS122 10 IS131 11 IS131 11 IS132 12 IS132 12 AS202 13 AS201 13 AS101 14 AS102 14 AS401 15 AS402 15 AS301 16 AS302 16 Shelter ID Code AS300 Calling Station ID Code AS301 Calling Station ID Code AS302 Destination Station Pushbutton Destination Station Pushbutton ID Code Number ID Code Number IS311 1 IS311 1 IS312 2 IS312 2 IS321 3 IS321 3 IS322 4 IS322 4 IS331 5 IS331 5 IS332 6 IS332 6 IS411 7 IS411 7 IS412 8 IS412 8 IS421 9 IS421 9 IS422 10 IS422 10 IS431 11 IS431 11 IS432 12 IS432 12 AS302 13 AS301 13 AS401 14 AS402 14 AS101 15 AS102 15 AS201 16 AS202 16 Change 1  3-3