Account Code Options The Account Code Options window shows you the settings which your administrator has set up for the account code service. Call types requiring an account code show you the types of calls which will require you to enter a code once you have dialed the number. In the example above, account codes are only required for International calls. Use validated account codes specifies whether your system uses validated or non-validated account codes. Account code length specifies the length of account codes you must enter. Max incorrect attempts before account is blocked specifies how many incorrect attempts to enter account codes are allowed in a row, before all calls requiring account codes are blocked.