Prefix Information
The prefix 103 is part of area code 520 serving Tucson, Arizona.
This exchange contains 10,000 possible phone numbers (520-103-0000 through 520-103-9999).
Phone numbers with prefix 103 in area code 520. Location: Tucson, Arizona.
The prefix 103 is part of area code 520 serving Tucson, Arizona.
This exchange contains 10,000 possible phone numbers (520-103-0000 through 520-103-9999).