United States · USA
Waltham, MA (+16) dialing code
Waltham, MA (+16) · Waltham, MA (+16)
Dialing code
+1 781
From abroad
+1 781 123-4567
Dial +1, then the city code 781, then the phone number without the leading zero.
Within the country
1781 123-4567
Dial 1781 followed by the phone number.
How to call Waltham, MA (+16)?
To call Waltham, MA (+16) in United States from abroad, dial the international code +1, followed by the city code 781, then the local number without the leading zero.