Prefix Information

The prefix 378 is part of area code 781 serving Lexington, Massachusetts.

This exchange contains 10,000 possible phone numbers (781-378-0000 through 781-378-9999).

Browse Numbers in This Prefix

781-378-0000-0999 781-378-1000-1999 781-378-2000-2999 781-378-3000-3999 781-378-4000-4999 781-378-5000-5999 781-378-6000-6999 781-378-7000-7999 781-378-8000-8999 781-378-9000-9999

Sample Numbers

(781) 378-0000 (781) 378-1234 (781) 378-2000 (781) 378-3333 (781) 378-4444 (781) 378-5555 (781) 378-6000 (781) 378-7777 (781) 378-8888 (781) 378-9999