how to fix contact name not show on incoming call

This is happening frequently with Verizon users due to incorrectly formatted numbers.  To fix this do the following:

1. Open the phone and dial *228. This is a Verizon over-the-air programming number.
2. When the system answer press 1 for "Program or activate your phone"
3. Wait for the call to disconnect. You should get a prompt stating "Settings updated."
4. Double tap the Home button to bring up the recently used apps list at the bottom.  Locate the Phone, Message, and Contacts apps, swiping if necessary, and press and hold until they jiggle then press the red minus sign to stop them.
5. Wait a 3-5 minutes.
6. Open the Contacts App to see if they're fixed.