Western Region Field Offices/Areas of Responsibility

as of October 6, 2016

Western Region Office (IOFW)
Contact Us:
Main: 858-385-1100
Fax: 858-451-1564
Email: dss.western-regional-office@mail.mil

Los Angeles Field Office (IOFWL)
Contact Us:
Main: 626-463-0515
Fax: 626-844-0318

Email: dss.LA-Field-Office@mail.mil
  • Cypress Resident Office

IOFWL: California Counties of Los Angeles, Orange, Santa Barbara, Ventura.

San Diego Field Office (IOFWD)
Contact Us:
Main: 858-207-0170
Fax: 858-674 6223
Email: dss.san-diego-field-office@mail.mil
IOFWD: California Counties of Imperial, Riverside, San Bernardino, San Diego.

San Francisco Field Office formerly Sunnyvale Field Office (IOFWV)
Contact Us:
Main: 510-897-1370
Fax: 510-623-4902
Email: dss.san-francisco-fo@mail.mil

  • Suisun City Resident Office

IOFWV: Northern California: Counties of Kern and San Luis Obispo north to Oregon. Nevada Counties of Carson City, Churchill, Douglas, Elko, Eureka, Humboldt, Lander, Lyon, Mineral, Pershing, Washoe, White Pine.

Phoenix Field Office (IOFWX)
Contact Us:
Main: 602-794-2500
Fax: 602-674-8660
Email: dss.phx-fo@mail.mil

  • Albuquerque Resident Office
  • Tucson Resident Office

IOFWX: Arizona, New Mexico, Utah, Nevada Counties of Clark, Esmeralda, Lincoln, Nye.

Colorado Field Office (IOFWC)
Contact Us:
Main: 719-419-3150
Fax: 719-599-5446
Email: dss.cos-fo@mail.mil

  • Denver Resident Office

IOFWC: Colorado, Idaho, Montana, Nebraska, North Dakota, South Dakota, Wyoming.

Tacoma Field Office (formerly Seattle Field Office) (IOFWW/IOFWT)
Contact Us:
Main: 253-620-3350
Fax: 253-627-4860
Email: dss.tacoma-field-office@mail.mil

  • Anchorage Resident Office
  • Honolulu Resident Office

IOFWT: Alaska, Guam and Johnson Atoll, Hawaii, Oregon, Washington.