Prefix Information
The prefix 138 is part of area code 405 serving Oklahoma City, Oklahoma.
This exchange contains 10,000 possible phone numbers (405-138-0000 through 405-138-9999).
Phone numbers with prefix 138 in area code 405. Location: Oklahoma City, Oklahoma.
The prefix 138 is part of area code 405 serving Oklahoma City, Oklahoma.
This exchange contains 10,000 possible phone numbers (405-138-0000 through 405-138-9999).