Frederick Phone Numbers

Telephone numbers of Frederick

Frederick is part of the Maryland region. The area code for Frederick is 1240379 and the calling code [email protected] is +1. The Frederick phone number format is +1 240-379-XXXX.

Every city of Maryland has a different prefix that is used for fixed lines. Back in the old days, when someone wanted to call a person from another city, theyshould first dial the prefix code of that area.

For mobile phones, you don't need to specify the area code of Frederick, but when you want to call a fixed line number, you should first type the area code.In case of Frederick you dial first +1240379.

This tool can be used if you want to have a list of Frederick random phone numbers that can be used for unit tests or in case you need some placeholders.