Where does nextlink internet offer service? Nextlink Internet offers service in 1,106 zip codes nationwide. Whether Nextlink Internet is your internet provider or you use a different provider, the speed test below can show key statistics about your internet connection.How do i contact nxlink customer support? Please send an email to [email protected] or call into support at 855-698-5465. We return these calls up to 9 PM CST and all others will be returned after 7 AM the next day so that we do not disrupt your evening at home. Thank you for your patience.How do i set up line 1 on my nextlink router? If you are using a managed router from Nextlink, please plug the cable into any open port other than the 1st port or the last port. Plug the power adapter cable into the ATA and connect the other end into a power outlet or UPS. In approximately 3-5 minutes, the ATA will pull its configuration and show that line 1 is registered.How do i power cycle my equipment with nextlink? 1. Locate the equipment that you are being asked to power cycle. POE: Nextlink provides you with a POE box to power the equipment on the outside of your home. This box is about the size of a deck of cards and may be black or white in color.