Prefix Information
The prefix 621 is part of area code 928 serving Yuma, Arizona.
This exchange contains 10,000 possible phone numbers (928-621-0000 through 928-621-9999).
Phone numbers with prefix 621 in area code 928. Location: Yuma, Arizona.
The prefix 621 is part of area code 928 serving Yuma, Arizona.
This exchange contains 10,000 possible phone numbers (928-621-0000 through 928-621-9999).