Where do we find Feldpost # infos ?

[Soldat de Fer]

Hello
I am researching the unit of this man :
Kriegspfarrer " Ebersbach " Feldpost #24200 .
I would appreciate if anyone could direct me to the right place to find infos on FPN
Thank you in advance.
Best Regards
Pierre-Yves

[Ian Jewison]

Depending on the date:

FP Nr. 24200

(Mobilisation-1.1.1940) 5. Batterie Artillerie-Regiment 1
(2.1.1940-27.4.1940) cancelled and became Fp.Nr. 17176 D
(25.9.1940-15.2.1941) Kommando 319. Infanterie-Division.

/Ian

[Soldat de Fer]

Hello
Thank you to Ian and Phil for your help .
I very much appreciate it .
Best Regards
Pierre-Yves