Question 1

What is the area code for Frederick?

Accepted Answer

The main area code for Frederick, Maryland is 301. Frederick is now served by 3 area codes in total: 301, 240, 227.

Question 2

How many area codes does Frederick have?

Accepted Answer

Frederick has 3 area codes: 301, 240, 227.

Question 3

Why does Frederick have more than one area code?

Accepted Answer

As Frederick used up the numbers available in its original area code (301, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

Question 4

How do you dial a Frederick number?

Accepted Answer

Dial all 10 digits — the area code (301 or 240 or 227) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Area codes in Frederick, Maryland

Area codes serving Frederick

Nearby cities