Digits in parentheses (4,4)

I believe the answer is:

area code

(Other definitions for area code that I've seen before include "Regional dialling no." , "Some phone numbers" , "Dialling sequence for, eg, a town" , "Location-specific numbers" , "Telephone prefix assigned to a region" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.