hi there! i hav a s5230 and i also hav a problem :( if i save my contacts as an 021 number, when they call me it cums up with their name, but when they text me it cums up with an unknown number!!!!!(+6421)

and when i save them as a +6421 number, when they text me it cums up with their name, but when they call me it cums up as an unknown number!!(021)

this is kiilllling me :( pls help!!