Question 1

What is the area code for Cambridge?

Accepted Answer

The main area code for Cambridge, Massachusetts is 617. Cambridge is now served by 2 area codes in total: 617, 857.

Question 2

How many area codes does Cambridge have?

Accepted Answer

Cambridge has 2 area codes: 617, 857.

Question 3

Why does Cambridge have more than one area code?

Accepted Answer

As Cambridge used up the numbers available in its original area code (617, 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 Cambridge number?

Accepted Answer

Dial all 10 digits — the area code (617 or 857) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Area codes in Cambridge, Massachusetts

Area codes serving Cambridge

Nearby cities