General info area code 603

Area code 603
State New Hampshire

Counties of the area code 603

The 603 area code is found in 10 counties.


Cities and other places with area code 603

There are 97 cities and places with the 603 area code. For more information of a specific place select one below.


603 area code on the map

Zip codes with area code 603

The are code 603 has 247 zip codes.


Area codes near area code 603

The area code 603