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  1. mtk
    mtk is offline
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    1) are they generic? apply to any carrier?

    2) why don't they work as "favorites" dials?
  2. z3bum's Avatar
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    I use #646# to see minutes used on T-Mobile. It works on verizon and Sprint phones as well. I put the string in my Treo 600 favorites and check it often!
  3. #3  
    I've seen a list of these posted for the CDMA phones.
    Does anyone have a list for GSM phones?
    GSM Treo 600 with Cingular
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  4. #4  
    My little-quick research revealed that all phones have codes, and some might be different based on the carrier and/or phone model. Here are some links (I could not find anything about the T600, but I am sure someone will):

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