Prefix Information
The prefix 640 is part of area code 501 serving Little Rock, Arkansas.
This exchange contains 10,000 possible phone numbers (501-640-0000 through 501-640-9999).
Phone numbers with prefix 640 in area code 501. Location: Little Rock, Arkansas.
The prefix 640 is part of area code 501 serving Little Rock, Arkansas.
This exchange contains 10,000 possible phone numbers (501-640-0000 through 501-640-9999).