Back in July, word around the rumor mill was that T-Mobile was all set to roll out month-to-month postpaid options come August 6th. The big day came and went without any new contractual options, nary a word from Old Magenta.

According to TmoNews, it may have just been pushed back a bit. Their sources are a bit shaky, but they’ve got reason to believe that T-Mo will be adding monthly postpaid service offerings as soon as tomorrow, October 7th.

Details after the jump..

The Details:

• Monthly postpaid packages will be modeled after the current yearly postpaid packages.
• New and existing customers can both sign up for the new plans, but existing customers will have to wait until the end of their current contract.
• No T-Mobile sanctioned subsidies
• They’ll still check your credit, and they’ll still charge you for activation.