Prefix Information

The prefix 640 is part of area code 379 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (379-640-0000 through 379-640-9999).

Browse Numbers in This Prefix

379-640-0000-0999 379-640-1000-1999 379-640-2000-2999 379-640-3000-3999 379-640-4000-4999 379-640-5000-5999 379-640-6000-6999 379-640-7000-7999 379-640-8000-8999 379-640-9000-9999

Sample Numbers

(379) 640-0000 (379) 640-1234 (379) 640-2000 (379) 640-3333 (379) 640-4444 (379) 640-5555 (379) 640-6000 (379) 640-7777 (379) 640-8888 (379) 640-9999