← Area code 289
289-475 phone numbers
Numbers 289-475-0000 to 289-475-9999 are assigned to ISP Telecom Inc. in Richmond Hill, ON.
Source: Canadian Numbering Administrator, Nov 3, 2026. Numbers can move between carriers.
Numbers 289-475-0000 to 289-475-9999 are assigned to ISP Telecom Inc. in Richmond Hill, ON.
Source: Canadian Numbering Administrator, Nov 3, 2026. Numbers can move between carriers.