928-787 phone numbers

Numbers 928-787-0000 to 928-787-9999 are assigned to Frontier Navajo Com in Lukachukai, AZ. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 928-787-3xxx, 928-787-4xxx, 928-787-6xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 928-787