Prefix Information

The prefix 123 is part of area code 307 serving Cheyenne, Wyoming.

This exchange contains 10,000 possible phone numbers (307-123-0000 through 307-123-9999).

Browse Numbers in This Prefix

307-123-0000-0999 307-123-1000-1999 307-123-2000-2999 307-123-3000-3999 307-123-4000-4999 307-123-5000-5999 307-123-6000-6999 307-123-7000-7999 307-123-8000-8999 307-123-9000-9999

Sample Numbers

(307) 123-0000 (307) 123-1234 (307) 123-2000 (307) 123-3333 (307) 123-4444 (307) 123-5555 (307) 123-6000 (307) 123-7777 (307) 123-8888 (307) 123-9999