General Questions or Comments

Toll Free: 1-800-488-1474

Monday - Friday

8:00 a.m. - 5:00 p.m., Pacific Time

Mailing Address:

Interstate Specialty Marketing, Inc.

17722 Irvine Blvd.

Tustin, CA 92780-3220

Directions and Map

From Los Angeles via the 5 freeway:


  • Take the 5 south
  • Exit Fourth Street toward First Street
  • Turn left onto Fourth Street
  • Drive 1.1 miles and turn right onto Prospect Street
  • Turn right into the first driveway
  • Parking will be on the right, behind the ISM building 

From San Diego via the 5 freeway:


  • Take the 5 north
  • Take the 55 north toward Anaheim
  • Keep right onto Irvine Boulevard
  • Turn right onto Irvine Boulevard, toward Old Town Tustin
  • Drive 0.4 miles and turn right onto Prospect Street
  • Turn right into the first driveway
  • Parking will be on the right, behind the ISM building 

Visitors should enter the building through the main entrance located on the north side on the second floor.

Map/Directions (Google Maps)

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