18 911 outages in SD, NV and TX (www.dakotanewsnow.com) posted 14 days ago by redlotus69 14 days ago by redlotus69 +18 / -0 Several agencies report 911 down statewide The City of Sioux Falls announced on Wednesday night that Metro Communications is unable to receive 911 calls in Minnehaha County and Sioux Falls as of around 8:50 p.m. 14 comments share 14 comments share save hide report block hide replies
https://www.dailymail.co.uk/news/article-13321921/911-emergency-lines-multiple-states-including-Nevada-South-Dakota-Nebraska-frantic-police-forces-urge-public-call-alternative-numbers.html
Oh, they do have backups.