USCIS made the following announcement recently regarding filing of Form I-129 (for nonimmigrant visa/status such as H-1B, O, R, L-1A, etc.):
On October 12, 2017, USCIS will change the direct filing addresses for certain petitioners of Form I-129, Petition for a Nonimmigrant Worker. The changes are as follows:
Petitioners will now file Form I-129 according to the state where the company or organization’s primary office is located. Previously, petitioners filed Form I-129 based on the beneficiary’s temporary employment or training location.
Petitioners located in Florida, Georgia, North Carolina and Texas will now file Form I-129 at the California Service Center.
Starting November 11, 2017, USCIS may reject Form I-129s that are filed at the wrong service center.