Area code 343 serves the picturesque region of eastern Ontario, Canada, encompassing vibrant communities such as Cornwall. This area code is a great choice for business owners looking to establish a local presence in a region known for its rich history and scenic beauty. Cornwall, with its welcoming community and strategic location along the St. Lawrence River, offers excellent opportunities for growth and connection. By adopting area code 343, businesses can effectively tap into a dynamic market and foster strong, local relationships, enhancing their credibility and accessibility to the surrounding communities and potential clients.