The area code 603 is located in Dover, New Hampshire.
Looking for information about 603 area code? You've come to the right place! Area code 603 is located in Dover, New Hampshire. Known for its charming small-town vibe, Dover is the perfect destination for history buffs and outdoor enthusiasts alike. With its picturesque landscapes and rich cultural heritage, it's no wonder why so many people are interested in learning more about area code 603. Whether you're a resident or just curious, our website is here to provide you with all the information you're looking for about the 603 area code. Keep reading to discover more about this vibrant city and everything it has to offer!