LuckyUSCitizen

Ok, what I meant to say is: I don't think you should expect any issue with this as a lot of people (online filers) are processed there as it is. I would assume they're trying to optimize and centralize their operations.
 
Edited to add: in our current list I see two people who filed through post who were sent there. Look for the IOE abbreviation.

We all should move to San Bernardino, CA.
Congrats Jesse28!

Hello all, I had my oath ceremony today so updating the list. Sending good vibes to all so everyone gets done with their process by the end of the year. 
 
N-400: September 2017 Applicants
================================== Dallas/Lewisville, Texas Lockbox ================================== UserName.........|GC-Date.|Sent.|Cashd|NOA.....|Fprints.|In Line.|Int ltr.|Intrvw..|Oath....|Field Office........|NBC/IOE farimak..........|12/14/12|09/01|09/05|09/06/17|10/06/17|10/12/17|--/--/--|--/--/--|--/--/--|San Antonio, TX.....|NBC mcawesomeville...|10/14/12|09/06|09/14|09/11/17|09/29/17|10/30/17|--/--/--|--/--/--|--/--/--|New York, NY........|NBC YoleY............|12/05/14|09/10|09/19|09/25/17|10/13/17|11/06/17|--/--/--|--/--/--|--/--/--|West Palm Beach, FL.|NBC Me-Myself-and-I..|03/26/14|09/15|09/19|09/30/17|10/18/17|10/20/17|--/--/--|--/--/--|--/--/--|Manchester, NH......|NBC jptl85...........|12/17/14|09/18|09/21|09/20/17|10/16/17|--/--/--|--/--/--|--/--/--|--/--/--|Fairfax, VA.........|NBC Moxa1989.........|12/05/12|09/20|09/28|10/02/17|10/16/17|--/--/--|--/--/--|--/--/--|--/--/--|Newark, NJ..........|NBC Someday..........|10/06/14|09/22|09/28|09/28/17|10/17/17|10/23/17|--/--/--|--/--/--|--/--/--|Newark, NJ..........|NBC Mikki............|09/25/14|09/25|10/04|10/11/17|--/--/--|--/--/--|--/--/--|--/--/--|--/--/--|El Paso, TX.........|NBC Matmat...........|11/19/13|09/27|10/02|10/11/17|10/27/17|11/06/17|--/--/--|--/--/--|--/--/--|New York, NY........|NBC ================================ USCIS Phoenix, Arizona Lockbox ================================ UserName.........|GC-Date.|Sent.|Cashd|NOA.....|Fprints.|In Line.|Int ltr.|Intrvw..|Oath....|Field Office........|NBC/IOE thepeeeeej.......|10/30/12|09/05|09/07|09/08/17|10/06/17|10/12/17|--/--/--|--/--/--|--/--/--|Los Angeles, CA.....|NBC staticvoidmain...|12/04/12|09/05|09/12|09/07/17|09/25/17|11/06/17|--/--/--|--/--/--|--/--/--|Seattle, WA.........|NBC Ozgirl1981.......|10/27/14|09/11|Fee W|09/14/17|10/10/17|10/18/17|--/--/--|--/--/--|--/--/--|Seattle, WA.........|NBC Jaxey............|05/16/11|09/22|09/27|10/02/17|10/19/17|--/--/--|--/--/--|--/--/--|--/--/--|Sacramento, CA......|NBC Bin deeq.........|12/03/14|09/25|10/06|10/05/17|10/31/17|--/--/--|--/--/--|--/--/--|--/--/--|Portland, OR........|NBC Alema_2011.......|06/17/14|09/26|09/29|10/13/17|11/01/17|11/07/17|--/--/--|--/--/--|--/--/--|Los Angeles, CA.....|NBC Wishi............|08/27/09|09/27|09/29|10/04/17|10/27/17|10/31/17|--/--/--|--/--/--|--/--/--|Portland, OR........|NBC bengad2010.......|--/--/--|09/28|--/--|--/--/--|10/23/17|--/--/--|--/--/--|--/--/--|--/--/--|Los Angeles, CA.....|NBC ================================== USCIS Chicago, Illinois Lockbox ================================== UserName.........|GC-Date.|Sent.|Cashd|NOA.....|Fprints.|In Line.|Int ltr.|Intrvw..|Oath....|Field Office........|NBC/IOE topgun23.........|12/06/12|09/07|09/12|--/--/--|--/--/--|--/--/--|--/--/--|--/--/--|--/--/--|Philadelphia, PA....|NBC ohio.villa.......|07/15/11|09/12|--/--|--/--/--|--/--/--|--/--/--|--/--/--|--/--/--|--/--/--|Cleveland, OH.......|NBC JbTin............|03/06/14|09/13|09/19|09/19/17|10/13/17|10/18/17|--/--/--|--/--/--|--/--/--|Raleigh, NC.........|NBC bzbee............|06/05/12|09/11|09/18|09/23/17|10/10/17|10/12/17|--/--/--|--/--/--|--/--/--|Chicago, IL.........|NBC Corey&Guyvens....|09/18/14|09/20|09/26|09/27/17|10/17/17|10/19/17|--/--/--|--/--/--|--/--/--|Detroit, MI.........|NBC ================================== USCIS Online Filing ================================== UserName.........|GC-Date.|Sent.|Cashd|NOA.....|Fprints.|In Line.|Int ltr.|Intrvw..|Oath....|Field Office........|NBC/IOE syrialord........|12/01/12|09/02|09/02|09/02/17|09/14/17|--/--/--|--/--/--|--/--/--|--/--/--|Dallas, TX..........|IOE nycdpj...........|12/01/12|09/04|09/04|09/04/17|09/18/17|09/19/17|--/--/--|--/--/--|--/--/--|Seattle, WA.........|IOE Dinosaur2013.....|12/01/14|09/06|09/06|09/06/17|09/12/17|10/26/17|--/--/--|--/--/--|--/--/--|New York, NY........|IOE domwardbound.....|08/31/14|09/06|09/06|09/06/17|--/--/--|--/--/--|--/--/--|--/--/--|--/--/--|Houston, TX.........|IOE imagineyouandme..|11/05/14|09/06|09/06|09/06/17|09/26/17|11/14/17|11/15/17|12/19/17|--/--/--|Chicago, IL.........|IOE SEVIMLI..........|11/05/12|09/07|09/07|09/07/17|09/14/17|09/16/17|--/--/--|12/19/17|--/--/--|Chicago, IL.........|IOE Cathy2me.........|08/08/13|09/07|09/07|09/07/17|09/14/17|--/--/--|--/--/--|--/--/--|--/--/--|Chicago, IL.........|IOE Sammy boy........|11/06/12|09/09|09/09|09/15/17|10/06/17|10/10/17|--/--/--|--/--/--|--/--/--|Dallas, TX..........|IOE bluetraveller....|03/03/14|09/10|09/10|09/10/17|09/22/17|--/--/--|--/--/--|--/--/--|--/--/--|Denver, CO..........|IOE R&M..............|10/24/13|09/10|09/10|09/10/17|10/06/17|--/--/--|--/--/--|--/--/--|--/--/--|Washington, DC......|IOE Jesse28..........|08/05/10|09/12|09/14|09/12/17|09/26/17|09/27/17|09/29/17|11/03/17|11/16/17|San Bernardino, CA..|IOE user19000........|12/12/12|09/13|--/--|--/--/--|--/--/--|--/--/--|--/--/--|--/--/--|--/--/--|Dallas, TX..........|IOE coronita98.......|08/15/14|09/14|09/14|09/14/17|09/27/17|11/15/17|11/16/17|12/19/17|--/--/--|Chicago, IL.........|IOE caeremonarius....|12/07/10|09/16|09/16|09/16/17|10/10/17|11/14/17|11/15/17|12/19/17|--/--/--|Chicago, IL.........|IOE Kate_H...........|12/10/14|09/17|09/19|09/23/17|10/10/17|11/14/17|11/15/17|12/19/17|--/--/--|Chicago, IL.........|IOE TommyBahama......|08/25/14|09/18|09/18|09/18/17|10/13/17|10/14/17|11/14/17|12/19/17|--/--/--|Chicago, IL.........|IOE patem............|08/04/14|09/21|09/21|09/26/17|10/12/17|--/--/--|--/--/--|--/--/--|--/--/--|Honolulu, HI........|IOE mrskate..........|11/29/12|09/23|09/23|09/23/17|10/19/17|11/13/17|11/14/17|12/19/17|--/--/--|Omaha, NE...........|IOE Tata_S...........|10/10/14|09/27|09/27|09/30/17|10/19/17|--/--/--|--/--/--|--/--/--|--/--/--|San Francisco, CA...|IOE  
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Legend: 
GC-Date: The 'Resident Since' Date located on your first green card.
Sent: Date N-400 was mailed to USCIS.
Cashd: Date your check was cashed / credit card was charged by USCIS.
NOA: Receipt Notice Date Printed on your official I-797 notification.
Fprints:  Date assigned for fingerprinting (Bio-metrics). If you do your biometrics via walk-in prior to your scheduled appointment, please enter the date in bold blue.
In Line: Date you received e-notification about the start of your interview scheduling.
Int Ltr: Date you received the official letter in the mail regarding interview.
Interview: Date of your interview.
Oath: Date Oath taken

Congrats @Jesse28

Nope.
 
Not asked nor needed if you're filing from within the country.
 
It is suggested to bring a couple to the interview just in case.