If there are only a few locations in that area code. Other locations that are nearby will be listed.
Some area codes cover a very large geographic area, up to an entire state.
These may return a long list of locations, some of which are far away from you. Other area codes may overlap or cover a non-contiguous area. These may not necessarily return your closest location. The solution is to enter a more precise location, such as a city name, ZIP code, or the area code and exchange.