Prefix Information
The prefix 400 is part of area code 501 serving Little Rock, Arkansas.
This exchange contains 10,000 possible phone numbers (501-400-0000 through 501-400-9999).
Phone numbers with prefix 400 in area code 501. Location: Little Rock, Arkansas.
The prefix 400 is part of area code 501 serving Little Rock, Arkansas.
This exchange contains 10,000 possible phone numbers (501-400-0000 through 501-400-9999).