Prefix Information

The prefix 312 is part of area code 617 serving Boston, Massachusetts.

This exchange contains 10,000 possible phone numbers (617-312-0000 through 617-312-9999).

Browse Numbers in This Prefix

617-312-0000-0999 617-312-1000-1999 617-312-2000-2999 617-312-3000-3999 617-312-4000-4999 617-312-5000-5999 617-312-6000-6999 617-312-7000-7999 617-312-8000-8999 617-312-9000-9999

Sample Numbers

(617) 312-0000 (617) 312-1234 (617) 312-2000 (617) 312-3333 (617) 312-4444 (617) 312-5555 (617) 312-6000 (617) 312-7777 (617) 312-8888 (617) 312-9999