British Service Number Prefixes
A – ASC (Old Special Reserve).
A – KRRC (Early wartime recruits).
A – RSF, Cameronians & AOC.
B – 26/RF (City of London Bankers).
B – KRRC, Rifle Brigade & Cameronians.
C – KRRC (16th Battalion onwards).
C – 1/R Munster Fus. (Garrison Bn.), Middx. Regt. & Rifle Brigade.
CHT – Corps of Horse Transport – ASC.
CMT – Corps of Motor Transport – ASC.
D – Dragoons & Dragoon Guards.
DG – Dragoon Guards.
DM – Driver MT – ASC.
E – 17/RF (Empire Battalion).
F – 17 & 23/Middx. Regt. (Football Battalions).
G – 1, 2 & 3/RIF (Garrison Battalions).
G – Prefix found on various Home Counties regiments (Service Battalions).
GS – See above.
GS – Cavalry regiments (War service only).
GS – General Service.
H – Hussars.
J – 38, 39 & 40/RF (Jewish Battalions).
K – Royal Lancaster Regt. (The King’s Own) & Cambridgeshire Regt.
L – Lancers.
L – Prefix found on various Home Counties regiments (Regulars).
L – 3/SWB.
M1 – MT Section – ASC.
M2 – Electricians – ASC.
MS – Mechanical Specials (trade) – ASC.
MT – Mechanical Transport (trade) – ASC.
N – RAMC.
O – Rifle Brigade.
P – Military Police.
P – Dragoon Guards.
PS – 18, 19, 20 & 21/RF and 16/Middx. Regt. (Public School Battalions).
PW – 18, 19 & 26/Middx. Regt. (Public Works Battalions – later Labour Corps).
R – Remount Section – ASC.
R – KRRC (later recruits up to 16th Bn.), also Manchester Regiment.
RX – Remount Section – ASC.
S – Supply – ASC.
S – Highland Regiments (wartime enlistments).
S – Home counties regiments (3rd [Militia] Battalions).
S – Rifle Brigade, Dorset Regt., R Munster Fus., AOC, RA & RAMC.
SB – 10/RF (City of London Stockbrokers Battalion).
SD – 11, 12 & 13/R Sussex Regt. (South Downs Battalions).
SE – Army Veterinary Corps (Special Enlistment for duration).
SPTS – 23 & 24/RF (Sportsmans’ Battalions).
SS – Supply Special (trade) – ASC
STK – 10/RF (City of London Stockbrokers Battalion).
T1, T2, T3 & T4 – Horse Transport – ASC.
T – Army Ordnance Corps.
T – Territorial Force.
TF – Territorial Force.
TS – Transport Specials (trade) – ASC.
TSR – Transport Special Reserve – ASC.
W – 13/Cheshire Regt. (Wirral).
W – 38th (Welsh) Divn. Royal Artillery.
WR – Royal Engineers (Waterways & Railways).
Y – KRRC (early wartime enlistments).
Z – Rifle Brigade.
Leave a Reply