Please list the phone numbers of the direct charter-funded schools that are opened after 2000/1/1.
Charter schools refers to `Charter School (Y/N)` = 1 in the frpm
SELECT T2.Phone FROM frpm AS T1 INNER JOIN schools AS T2 ON T1.CDSCode = T2.CDSCode WHERE T1.`Charter Funding Type` = 'Directly funded' AND T1.`Charter School (Y/N)` = 1 AND T2.OpenDate > '2000-01-01'