cellphones are not always accurate

from https://www.franklincountyny.gov/departments/public_safety/emergency_services/911_numbering_addressing.php

Click on the link below to submit a 911 address assignment request:
Request a 911 Address

Is your house number clearly visible from the roadway?
If not, is there a mailbox or other marker near the driveway?

While cell phones are sometimes able to help locate emergency callers,
they are not always accurate!!