APO Numbers of World War II US
Army Groups, Armies, Corps and Divisions
Listed by Unit Type and Number
by Wesley Johnston
A Page of the 7th Armored Division web site's
7th Armored Division Document Repository's
Bookmark this page as http://www.7thArmdDiv.org/main-apos.htm
Last updated: August 4, 2008 - What's New?

The following is from Appendix I on pages 200-201 of the book Numerical Listing of APO’s: January 1942 – November 1947, prepared by Army Postal Service and Strength Accounting Branches, AGO (Adjutant General’s Office). Click here to see the complete text of the book, including these and all other APO locations, in a 2.2 MB PDF file created by the U. S. Army Military History Institute at Carlisle, PA from their copy of the book.

While the main focus for this list is World War II, the book covers the period until November 1947, so that some of the units shown here may be post-war.

Note that the book does not follow some conventions of WWII written text. In particular, the absence of the letter "n" from suffixes: the book uses "2nd" while Army practice in WWII was "2d".) Also while WWII practice was to write "XVIII Corps (Airborne)", the book simply lists the Corps as "XVIII". So the bottom line is that the textual conventions used on this web page are often NOT the textual conventions used by the Army in World War II.


ARMY GROUPS
6th Army Group - APO 23
12th Army Group - APO 655
15th Army Group - APO 777


ARMIES
FIRST U. S. ARMY (FUSA) - APO 230
SECOND U. S. ARMY - APO 402
THIRD U. S. ARMY (TUSA) 403
FOURTH U. S. ARMY - APO 20
FIFTH U. S. ARMY - APO 464
SIXTH U. S. ARMY - APO 442
SEVENTH U. S. ARMY (SUSA) - APO 758
EIGHTH U. S. ARMY - APO 343
NINTH U. S. ARMY (NUSA) - APO 339
TENTH U. S. ARMY - APO 357
FIFTEENTH U. S. ARMY - APO 408
FIRST U. S. AIRBORNE ARMY - APO 740


CORPS
I Corps- APO 301
II Corps - APO 19
III Corps - APO 303
IV Corps - APO 304
V Corps - APO 305
VI Corps - APO 46
VII Corps - APO 307
VIII Corps - APO 308
IX Corps - APO 309
X Corps - APO 310
XI Corps - APO 471
XII Corps - APO 312
XIII Corps - APO 463
XIV Corps - APO 453
XV Corps - APO 436
XVI Corps - APO 197
XVIII Corps - APO 109
XIX Corps - APO 270
XX Corps - APO 340
XXI Corps - APO 101
XXII Corps - APO 250
XXIII Corps - APO 103
XXIV Corps - APO 235


INFANTRY DIVISIONS
1st Infantry Division - APO 1
2nd Infantry Division - APO 2
3rd Infantry Division - APO 3
4th Infantry Division - APO 4
5th Infantry Division - APO 5
6th Infantry Division - APO 6
7th Infantry Division - APO 7
8th Infantry Division - APO 8
9th Infantry Division - APO 9
24th Infantry Division - APO 24
25th Infantry Division - APO 25
26th Infantry Division - APO 26
27th Infantry Division - APO 27
28th Infantry Division - APO 28
29th Infantry Division - APO 29
30th Infantry Division - APO 30
31st Infantry Division - APO 31
32nd Infantry Division - APO 32
33rd Infantry Division - APO 33
34th Infantry Division - APO 34
35th Infantry Division - APO 35
36th Infantry Division - APO 36
37th Infantry Division - APO 37
38th Infantry Division - APO 38
40th Infantry Division - APO 40
41st Infantry Division - APO 41
42nd Infantry Division - APO 411
43rd Infantry Division - APO 43
44th Infantry Division - APO 44
45th Infantry Division - APO 45
63rd Infantry Division - APO 410
65th Infantry Division - APO 200
66th Infantry Division - APO 454
69th Infantry Division - APO 417
70th Infantry Division - APO 461
71st Infantry Division - APO 360
75th Infantry Division - APO 451
76th Infantry Division - APO 76
77th Infantry Division - APO 77
78th Infantry Division - APO 78
79th Infantry Division - APO 79
80th Infantry Division - APO 80
81st Infantry Division - APO 81
83rd Infantry Division - APO 83
84th Infantry Division - APO 84
85th Infantry Division - APO 85
86th Infantry Division - APO 450
87th Infantry Division - APO 448
88th Infantry Division - APO 88
89th Infantry Division - APO 89
90th Infantry Division - APO 90
91st Infantry Division - APO 91
92nd Infantry Division - APO 92
93rd Infantry Division - APO 93
94th Infantry Division - APO 94
95th Infantry Division - APO 95
96th Infantry Division - APO 96
97th Infantry Division - APO 445
98th Infantry Division - APO 98
99th Infantry Division - APO 449
100th Infantry Division - APO 447
102nd Infantry Division - APO 102
103rd Infantry Division - APO 470
104th Infantry Division - APO 104
106th Infantry Division - APO 443


ARMORED DIVISIONS
1st Armored Division - APO 251
2nd Armored Division - APO 252
3rd Armored Division - APO 253
4th Armored Division - APO 254
5th Armored Division - APO 255
6th Armored Division - APO 256
7th Armored Division - APO 257
8th Armored Division - APO 258
9th Armored Division - APO 259
10th Armored Division - APO 260
11th Armored Division - APO 261
12th Armored Division - APO 262
13th Armored Division - APO 163
14th Armored Division - APO 446
15th Armored Division - APO 412
20th Armored Division - APO 444


AIRBORNE DIVISIONS
11th Airborne Division - APO 468
13th Airborne Division - APO 333
17th Airborne Division - APO 452
82nd Airborne Division - APO 469
101st Airborne Division - APO 472


MISCELLANEOUS DIVISIONS
1st Cavalry Division - APO 201
2nd Cavalry Division - APO 435
10th Mountain Division - APO 345
Americal Division - APO 716


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