Someone from the same city as you is often referred to as a "fellow resident" or simply a "local." In more casual terms, you might call them a "neighbor" or "citymate." The specific term can vary based on the context and the city itself.
A city-dweller is an "urbanite."
You pick up the phone and call them ...
citizen
call their name and surname together
You can call them a fellow resident or a neighbor.
Unrequited love </3
Call PLANNED PARENTHOOD in your city.
A hypocrite.
yeah
People from Cheshire are known as Cestrians, although strictly speaking this applies to people from Chester, Cheshire's county city. The same principle applies to people from Lancashire, who are known as Lancastrians after the county city, Lancaster.
A person who lives in the same city as you is commonly referred to as a "fellow resident" or simply a "neighbor."
An urbanite is someone who lives in a city. A native is someone who was born and reared in a particular place.