Prefix Information

The prefix 400 is part of area code 208 serving Boise, Idaho.

This exchange contains 10,000 possible phone numbers (208-400-0000 through 208-400-9999).

Browse Numbers in This Prefix

208-400-0000-0999 208-400-1000-1999 208-400-2000-2999 208-400-3000-3999 208-400-4000-4999 208-400-5000-5999 208-400-6000-6999 208-400-7000-7999 208-400-8000-8999 208-400-9000-9999

Sample Numbers

(208) 400-0000 (208) 400-1234 (208) 400-2000 (208) 400-3333 (208) 400-4444 (208) 400-5555 (208) 400-6000 (208) 400-7777 (208) 400-8888 (208) 400-9999