The 2026 401k contribution limit is $23,500 ($31,000 if you are 50+). In North Carolina, pre-tax contributions reduce your taxable income at both federal (22%–37%) and NC state (4.5% flat) levels. Annual tax savings on a full contribution: $6,228.
North Carolina taxes 401k and traditional IRA distributions as ordinary income at up to 4.5%. On a $64,000/year retirement income, that is $2,880 per year in state tax. Consider Roth 401k contributions if you expect to retire in NC and your future bracket is similar to today.