604 Area Code Information

State: WA

Largest City in Area: BLAINE

Where is Area Code 604? Area code (604) is in the state of WA. Below, are the major cities in the area code (604).

Major Cities in 604

  • BLAINE, WA (815)
  • SEATTLE, WA (602)
  • BELLINGHAM, WA (545)
  • LOS ANGELES, CA (367)
  • POINT ROBERTS, WA (367)
  • SAN FRANCISCO, CA (360)
  • NEW YORK, NY (299)
  • SUMAS, WA (274)
  • CHICAGO, IL (240)
  • PORTLAND, OR (238)

Zip Codes in 604

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