Prefix Information
The prefix 604 is part of area code 515 serving Des Moines, Iowa.
This exchange contains 10,000 possible phone numbers (515-604-0000 through 515-604-9999).
Phone numbers with prefix 604 in area code 515. Location: Des Moines, Iowa.
The prefix 604 is part of area code 515 serving Des Moines, Iowa.
This exchange contains 10,000 possible phone numbers (515-604-0000 through 515-604-9999).