Wifi networks not displaying.

Hi all. Just moved to a new house and had my Wi-Fi set up with a new modem. In doing so I had to reestablish my connections. Well my pc(asus) and ps4 connected perfectly my nor my wife's phones will display the ssid. Even after searching for it via the name it's not present. I have the lg g4 verizon and she has an iPhone 5c. Internet company doesn't even know what it could be. Any help is greatly appreciated!!

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