LuizaT

I hope you get the letter soon. I am copying experience of one of applicant here (copies from page 7 or 8 - Filippi's post) and this may give you some idea only:
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I called them 3 times to get the case number, so yes, you may need some luck to reach the right person there. I asked specifically for the case number related to an I-612 filled by Department of State. I tried first in 10 days after DOS sent the favorable recommendation and they said they could not find my name there. I tried again in the next day, same thing, and finally I was successful 2 days later. Hope this helps.
 
By the way, I received notice of action with the approval yesterday (04/09), yay!, I didn't receive any letter from DOS and neither the notice of action from USCIS for receiving the case.
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So need to wait!

Hi okland,
 
I called them 3 times to get the case number, so yes, you may need some luck to reach the right person there. I asked specifically for the case number related to an I-612 filled by Department of State. I tried first in 10 days after DOS sent the favorable recommendation and they said they could not find my name there. I tried again in the next day, same thing, and finally I was successful 2 days later. Hope this helps.
 
By the way, I received notice of action with the approval yesterday (04/09), yay!, I didn't receive any letter from DOS and neither the notice of action from USCIS for receiving the case.
 

Hi guys,
 
I've just discovered that my case was approved on march 27th. I'm still waiting for the DOS and first USCIS notice (I'm in Brazil, and it take a weeks to receive any international mail.
 
My current timeline:
Application packet was sent to DOS by UPS (from Brazil):                              December 16th 2018
Packet received (UPS tracking):                                                                           December 20th 2018
Embassy sent NOS by mail to DOS:                                                                     December 22th 2018
DOS updated status – Documents received:                                                     January 24th 2019
DOS received No Objection Statement on:                                                         January 29th 2019
Favorable Recommendations:                                                                              March 12th 2019
USCIS accepted my case on:                                                                                March 20th 2019
USCIS approved my case on:                                                                                March 27th 2019
 
By the way, if you are using https://egov.uscis.gov/casestatus/ website to check your USCIS case status, keep in mind that sometimes it is not being updated correctly. I've just discovered that if you go to my.uscis.gov, create an account and add your case as a paper-filled case, you have access to more recent information.
 
Good luck to all.

Thanks I appreciate it! I hope you get the good news as well real soon. Crossing my fingers🤞🤞

Congratulations @adrian876, very happy for you!
And very hopeful to see how fast DOS recommendation and USCIS processing can be, potentially.