Prefix Information

The prefix 691 is part of area code 781 serving Lexington, Massachusetts.

This exchange contains 10,000 possible phone numbers (781-691-0000 through 781-691-9999).

Browse Numbers in This Prefix

781-691-0000-0999 781-691-1000-1999 781-691-2000-2999 781-691-3000-3999 781-691-4000-4999 781-691-5000-5999 781-691-6000-6999 781-691-7000-7999 781-691-8000-8999 781-691-9000-9999

Sample Numbers

(781) 691-0000 (781) 691-1234 (781) 691-2000 (781) 691-3333 (781) 691-4444 (781) 691-5555 (781) 691-6000 (781) 691-7777 (781) 691-8888 (781) 691-9999