Importing Numbers to the SIM Card Inventory

How to import numbers to the SIM Card Inventory

In the SIM Card Inventory Upload dialog box, specify a file location (use the Browse button to select a file in the explorer dialog box), and then click Upload. Upon upload, the status of these SIM cards becomes Free.


The proper file format for the SIM card upload

You can upload SIM cards from a file in .csv, .xls or .xlsx format. The structure of the file must be as shown in the following table:


Field Mandatory Format Description



Text. There are four possible defined values:

  • +
  • add
  • -
  • remove

This defines the action applied to the given SIM card: “+” or add for adding a SIM card to the inventory; “-” or remove for removing a SIM card from the inventory.




Maximum 15 numerical characters

The unique international mobile subscriber identity of the card.



Minimum 19, maximum 20 numerical characters

A SIM card’s unique serial number that can be found on the back of the SIM card.



32 hexadecimal characters

Authentication key used during card authentication on the mobile network and for communication encryption between a SIM card and a mobile network.



32 hexadecimal characters

The operator key associated with and stored on this SIM card.



4 hexadecimal characters

The authentication code added to the SIM authentication request.



Maximum 255 text characters

Short description about a given SIM card.



Maximum 255 text characters

Home location register name.

Managed by



  • Leave this field empty if you want the SIM card to be managed by the Administrator only.
  • Specify a reseller’s name, if you want the SIM card to be managed by a specific reseller.


You can change your choice later for the uploaded SIM cards that are not in use (select the checkbox for a specific SIM card > click Manage on the toolbar > select who will manage the selected SIM card in the dialog that opens).

NOTE: The column headers are important! Make sure the field names and formatting in your upload file are correct.