What is an area code?
Do different states have different numbers of area codes?
Why do we need area codes?
Can an area code give an indication of a phone number's origin?
Can I keep my area code if I move to a different state?
How many area codes are there in the United States?
What are non-geographic area codes?
Are area codes unique to each city?
What happens when an area runs out of phone numbers within its existing area code?
How are new area codes created?