Prefix Information
The prefix 504 is part of area code 206 serving Seattle, Washington.
This exchange contains 10,000 possible phone numbers (206-504-0000 through 206-504-9999).
Phone numbers with prefix 504 in area code 206. Location: Seattle, Washington.
The prefix 504 is part of area code 206 serving Seattle, Washington.
This exchange contains 10,000 possible phone numbers (206-504-0000 through 206-504-9999).