Usual time taken to receive H1B transfer receipt number (regular not PP)

My H1B Transfer is filed in regular (non premium) on 6/22/2017.

When can I expect a receipt number? Any response is highly appreciated.

Sent by Fedex: 6/22/2017
Received at Laguna Niguel, CA: 6/23/2017

It is 7/7/2017 today but no email/hard copy receipt yet.

I received the receipt on 7/12.