wrong (not correct, not right): The phone number was wrong.
incorrect (not correct, not true): Your answer is incorrect.
false (not true): The report regarding the earthquake was false.
untrue (not true): Her statement is completely untrue.
in error (not correct; mistaken): She has admitted that she was in error.
mistaken (to be wrong in what you believe): We’ve met somewhere if I’m not mistaken.
inaccurate (not totally correct or exact, not accurate): Please let me know if my information is inaccurate.
erroneous formal (not correct): The information you received is quite erroneous.
wide of the mark (not totally correct or exact): What she told you is wide of the mark.