Beyond crisis hotlines for emergencies, many regions offer "warmlines" — non-crisis phone support specifically for loneliness and everyday emotional support, staffed often by trained peers.
What warmlines offer
A friendly voice for a check-in call, without needing to be in crisis to use the service — a resource many people don't realize exists.
Search "warmline" plus your state, or ask your Area Agency on Aging what's available locally — several run specifically for older adults.