Prefix Information
The prefix 100 is part of area code 509 serving Spokane, Washington.
This exchange contains 10,000 possible phone numbers (509-100-0000 through 509-100-9999).
Phone numbers with prefix 100 in area code 509. Location: Spokane, Washington.
The prefix 100 is part of area code 509 serving Spokane, Washington.
This exchange contains 10,000 possible phone numbers (509-100-0000 through 509-100-9999).