Prefix Information

The prefix 312 is part of area code 219 serving Gary, Indiana.

This exchange contains 10,000 possible phone numbers (219-312-0000 through 219-312-9999).

Browse Numbers in This Prefix

219-312-0000-0999 219-312-1000-1999 219-312-2000-2999 219-312-3000-3999 219-312-4000-4999 219-312-5000-5999 219-312-6000-6999 219-312-7000-7999 219-312-8000-8999 219-312-9000-9999

Sample Numbers

(219) 312-0000 (219) 312-1234 (219) 312-2000 (219) 312-3333 (219) 312-4444 (219) 312-5555 (219) 312-6000 (219) 312-7777 (219) 312-8888 (219) 312-9999