Phone Service USA LLC Phone Service USA is the national leader in Voice Over IP (VoIP) Digital Communication Systems. We have provided several Fortune 500 businesses with complete and competent professional service. Timing: Mon - Fri 9:00 am - 5:00 pm Phone: 702-505-4280 2700 E. Patrick Lane, Suite 1, Las Vegas NV 89120 USA Map Other Categories: Business Services |