The charge on my card was from ELGIN LOCKBOX. I called my bank 2 days after submitting my application to tell them I'm expecting a charge from the USCIS for $850 and I just wanted to make sure it won't get declined. I was told as long as I have enough credit, there shouldn't be a problem. I got this text when they charged my card. The charge was $850 for me and my 2 kids.
"Your PNC card XXXX was used for an online or phone purchase at ELGIN LOCKBOX in CAMP SPRINGS USA for 850.00 USD."