A601 is a standard SAP Table which is used to store Plant/Customer data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The A601 table consists of various fields, each holding specific information or linking keys about Plant/Customer data available in SAP. These include KAPPL (Application), KSCHL (Condition type), WERKS (Plant), KUNNR (Customer number)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .