NextGen Communications, LLC Rating (average): (More feedback needed) Business Name: NextGen Communications, LLC Long Business Description: NextGen offers VOIP and traditional phone systems, voice and data cabling, SIP trunking and local and long distance service. Business Phone Number: 1-518-475-3030 City: Delmar State: NY ZIP Code: 12054 Ratings There are no reviews yet. Please login to rate this listing. Send Message to listing ownerPlease log in to be able to send messages to the listing owner.