再请问老师130表里的一个问题

Part4,61a The beneficiary is in the United States and will apply for adjustment of status of a lawful permanent resident at the us.citizenship and Immigration Services(USCIS) office in 

61a. city or town

请问老师这个是指我要投递的USCIS在Chicagom的office还是我家附近的USCIS field office?

非常感谢！