This is a crucial research tool , for anyone interested in WW2 German feldpost numbers.

This is a digital file, which will be sent to your email address.

6610 pages of searchable fieldpost numbers, giving you the date and unit, tp which the feldpost number was assigned to.

Sammelfeldpostnummern / Collective Feldpost Numbers — These numbers were used in locations with a high concentration of troops, primarily in large cities. They typically consisted of a 5-digit number, followed by a 1- or 2-digit letter (A, B, C, AB, etc.).  These are not yet listed in the database.