← Area code 274
274-207 phone numbers
Numbers 274-207-0000 to 274-207-9999 are assigned to Leap Telecom, LLC in Green Bay, WI. 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 274-207-5xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.