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来源: 于 2024-04-01 18:44:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

There is no USCIS Chicago Service Center and it is just lockbox (mailbox). You need to find the Service Center from your I-131 Receipt Notice which sent you the receipt notice. Then, check the case processing time at this link:

Processing Times (uscis.gov)