Prefix Information
The prefix 742 is part of area code 410 serving Baltimore, Maryland.
This exchange contains 10,000 possible phone numbers (410-742-0000 through 410-742-9999).
Phone numbers with prefix 742 in area code 410. Location: Baltimore, Maryland.
The prefix 742 is part of area code 410 serving Baltimore, Maryland.
This exchange contains 10,000 possible phone numbers (410-742-0000 through 410-742-9999).