Prefix Information

The prefix 231 is part of area code 218 serving Duluth, Minnesota.

This exchange contains 10,000 possible phone numbers (218-231-0000 through 218-231-9999).

Browse Numbers in This Prefix

218-231-0000-0999 218-231-1000-1999 218-231-2000-2999 218-231-3000-3999 218-231-4000-4999 218-231-5000-5999 218-231-6000-6999 218-231-7000-7999 218-231-8000-8999 218-231-9000-9999

Sample Numbers

(218) 231-0000 (218) 231-1234 (218) 231-2000 (218) 231-3333 (218) 231-4444 (218) 231-5555 (218) 231-6000 (218) 231-7777 (218) 231-8888 (218) 231-9999