Prefix Information

The prefix 312 is part of area code 781 serving Lexington, Massachusetts.

This exchange contains 10,000 possible phone numbers (781-312-0000 through 781-312-9999).

Browse Numbers in This Prefix

781-312-0000-0999 781-312-1000-1999 781-312-2000-2999 781-312-3000-3999 781-312-4000-4999 781-312-5000-5999 781-312-6000-6999 781-312-7000-7999 781-312-8000-8999 781-312-9000-9999

Sample Numbers

(781) 312-0000 (781) 312-1234 (781) 312-2000 (781) 312-3333 (781) 312-4444 (781) 312-5555 (781) 312-6000 (781) 312-7777 (781) 312-8888 (781) 312-9999