Prefix Information

The prefix 561 is part of area code 301 serving Bethesda, Maryland.

This exchange contains 10,000 possible phone numbers (301-561-0000 through 301-561-9999).

Browse Numbers in This Prefix

301-561-0000-0999 301-561-1000-1999 301-561-2000-2999 301-561-3000-3999 301-561-4000-4999 301-561-5000-5999 301-561-6000-6999 301-561-7000-7999 301-561-8000-8999 301-561-9000-9999

Sample Numbers

(301) 561-0000 (301) 561-1234 (301) 561-2000 (301) 561-3333 (301) 561-4444 (301) 561-5555 (301) 561-6000 (301) 561-7777 (301) 561-8888 (301) 561-9999