What is the best internet provider in Grand Prairie?Spectrum is CNET’s top pick for most Grand Prairie households, thanks to its wide coverage, competitive pricing and straightforward plans that include unlimited data and a free modem. AT&T Fiber and T-Mobile Home Internet are also reliable options, but availability will depend on where you live. The average monthly cost for home internet in Grand Prairie is around $52, though some providers offer lower rates. Spectrum, for example, starts at $30 per month for 100Mbps speeds. For the fastest speeds, AT&T Fiber…