USCIS just announced that, as of December 10, 2007, the agency will only accept petitions for the H-2A Visa for temporary/agricultural workers mailed or delivered to its California Service Center. Please note that the following address, as of December 10, should be used for H-2A petitions:
U.S. Citizenship and Immigration Services California Service Center ATTN: H-2A Processing Unit P.O. BOX 10140 Laguna Niguel, CA 92607-1040
U.S. Citizenship and Immigration Services California Service Center ATTN: H-2A Processing Unit 24000 Avila Road, Room 2312 Laguna Niguel, CA 92677
In addition, USCIS notes that it will return H-2A petitions received on or after December 10 at any other Service Center with a notice to the petitioner to send the petition to the California Service Center. Prior to this notice petitioners were able to file H-2A petitions with either the California or the Vermont Service Center.