Specifically, explain that you seem to have some cross-connected circuits, and some mismatched voltages. Ask them what they think. If they start discussing possible 'loose neutral', then they have at least a 'clue'.
But also consider calling back the utility. Like my experience, *they* may have not gotten the new underground service completely right. For me, to have them check the voltages at the meter (and fix the problem) was a freebie.
Sadly, that does seem to be true. Anyone you trust have a recommendation?
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