My iphone 4s is importing contact information from FB and my e-mail account. When I try to look at my contact list it is showing everyone I have on those lists and it only shows their email addresses. The phone numbers for my contacts have disappeared and I don't know how to get them back.
Hi macmac57. I don't memorize my numbers anymore, so I know how important it is to have all your contacts on your phone at all times. Did an update occur or a new application download when your contacts disappeared? Have you been backing up your device with your computer? You can try to restore your contacts from your last backup. http://support.apple.com/kb/HT1414
Are you syncing your iPhone between multiple computers? This can sometimes create issues with your contacts. http://support.apple.com/kb/TS1474
If you were already using iCloud to back up your contacts, check out http://support.apple.com/kb/TS3998 for some great tips from Apple.
I do hope this has been helpful for you to restore your contacts.
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