Canadial Know Who Called
← Area code 240

240-423 phone numbers

Numbers 240-423-0000 to 240-423-9999 are assigned to Omnipoint Communications Cap Operations, LLC (rate centre WSHNGTNZN3, MD, NANPA abbreviation).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 240-423