I am using Android 4.2 Jelly Bean stock Messaging App and the get "message not sent" error whenever I use my contact to send the message. I noticed that the Messaging App might not be using the full 10 digit number to send the text/sms. If I manually enter the full number, e.g., 155551234567 then the message is sent successfully. But if I use the contact then it only shows in the top display that 123-4567 number and then it will fail to send any text/sms.

I am wondering if that is problem and if so how can I set the Messaging App to use the full phone number? I did not find any setting for this anywhere so far.

Thank you for any help.


1 Answer 1


I presume you're talking about US numbers? If you haven't tried including a + at the start of numbers saved in your contacts that could be worth doing. +1 555 123 4567 is the international format and may help other apps know where to send your message/call.

  • Thanks for your reply. I replied early but don't see it here. So am doing again. I already have full phone numbers.
    – sgw
    Dec 11, 2014 at 17:52

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