By using JDBC you can bring all your phone numbers in to an array
now i am sending just sample program for accessing number from excel look into it..
import java.io.*;
import java.sql.*;
class MyP1
{
public static void main(String cc[])
{
try{
DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());
Connection con = DriverManager.getConnection("jdbc:odbc:GsrCBook1","","");
Statement st = con.createStatement();
ResultSet rs = st.executeQuery("select Number from [Sheet1$]");
while(rs.next())
{
System.out.println(rs.getString(1));
}
}
catch(Exception e)
{System.out.println(e);}
}
}
first you need to create User/System DSN in your data source
for details how to create DSN please search http://www.javaworld.com/javaworld/javaqa/2001-06/04-qa-0629-excel.html