Darien Long Distance offers business toll free numbers (800/888/877/866) so your customers can reach you toll free from anyplace, anytime. Your costs are minimal, thanks to our low rates, and your customers are more eager to call because it's your dime! Calls are routed to a specified phone line (such as your office or home), making this a great tool for small businesses. In addition, a toll free number gives employees who travel a convenient way to check in with the office.