402-603 phone numbers

Numbers 402-603-0000 to 402-603-9999 are assigned to Level 3 Communications, LLC in Osceola, NE. 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 402-603-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 402-603