Prefix Information

The prefix 645 is part of area code 400 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (400-645-0000 through 400-645-9999).

Browse Numbers in This Prefix

400-645-0000-0999 400-645-1000-1999 400-645-2000-2999 400-645-3000-3999 400-645-4000-4999 400-645-5000-5999 400-645-6000-6999 400-645-7000-7999 400-645-8000-8999 400-645-9000-9999

Sample Numbers

(400) 645-0000 (400) 645-1234 (400) 645-2000 (400) 645-3333 (400) 645-4444 (400) 645-5555 (400) 645-6000 (400) 645-7777 (400) 645-8888 (400) 645-9999