T-Mobile at Costco Northridge CA

"I came in to get a new phone and do a trade it and honestly i know it's not the stores fault but T-mobile needs to stop letting customer online order phones cause it was a struggle trying to get..."

"No customer service!!! Refurbished phones They close sooner than posted hours on window!!! Always parking problems!!"

"I can not go lower but I would...and Evelyn should be fired for being a snake in the grass. A representative stayed on the line for me to come into the store, so I could get a free sim card due to..."