← Area code 905
905-443 phone numbers
Numbers 905-443-0000 to 905-443-9999 are assigned to Zayo Canada Inc. in Oshawa, ON.
Source: Canadian Numbering Administrator, Nov 3, 2026. Numbers can move between carriers.
Numbers 905-443-0000 to 905-443-9999 are assigned to Zayo Canada Inc. in Oshawa, ON.
Source: Canadian Numbering Administrator, Nov 3, 2026. Numbers can move between carriers.