Prefix Information

The prefix 420 is part of area code 556 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (556-420-0000 through 556-420-9999).

Browse Numbers in This Prefix

556-420-0000-0999 556-420-1000-1999 556-420-2000-2999 556-420-3000-3999 556-420-4000-4999 556-420-5000-5999 556-420-6000-6999 556-420-7000-7999 556-420-8000-8999 556-420-9000-9999

Sample Numbers

(556) 420-0000 (556) 420-1234 (556) 420-2000 (556) 420-3333 (556) 420-4444 (556) 420-5555 (556) 420-6000 (556) 420-7777 (556) 420-8888 (556) 420-9999