An INTERNATIONAL SERVICE CENTER (ISC) is an international mail processing facility.

JFK ISC
250 N Boundary Rd., STE 1
Jamaica, NY 11430
(718) 553-7200

O’HARE J.T. WEEKER ISC
514 Express Center Dr.
Chicago, IL 60688
(773) 894-9050

LAX ISC
5800 W Century Blvd., STE 14‎
Los Angeles, CA 90045
(310) 337-8700

SF ISC
660 W Field Rd.
San Francisco, CA 94128
(415) 822-7157

MIAMI ISC
11690 NW 25th St.
Miami, FL 33112
(305) 718-7500

LAX ISC (Source: Google Maps)