The cellular carriers in North America are phasing out 3G coverage in 2022. This may impact your agency and special attention should be paid to Disaster Caches and Go Bags that have cellular gear in them but are not in everyday use. AT&T has already shut down their 3G service and the others will follow between now and the end of the year.
https://www.fcc.gov/consumers/guides/plan-ahead-phase-out-3g-cellular-networks-and-service