address for I140 petition letter head (TSC)

来源: 于 2010-02-01 19:31:12 [旧帖] [给我悄悄话] 本文已被阅读：次

USCIS TSC
4141 St. Augustine Rd.
Dallas, TX 75227

USCIS (TSC),
P.O. Box 852135,
Mesquite, TX 75185

Which one is correct for I140 petition letter head? Thanks a lot!!!