The charge-transfer rate coefficients for reactions of ${\mathrm{N}}^{2+}$(${2\mathrm{s}}^{2}$2p${\mathrm{}}^{2}$${\mathrm{P}}^{\mathrm{o}}$) with ${\mathrm{H}}_{2}$, ${\mathrm{N}}_{2}$, and CO are measured using ion storage. A cylindrical rf ion trap was used to store ${\mathrm{N}}^{2+}$ ions produced by laser ablation of a solid titanium nitride target. The rate coefficients were derived from the decay rate of the ion signal. The rate coefficients for the above three reactions are 3.38(0.35)\ifmmode\times\else\texttimes\fi{}${10}^{\mathrm{\ensuremath{-}}11}$ ${\mathrm{cm}}^{3}$ ${\mathrm{s}}^{\mathrm{\ensuremath{-}}1}$ at ${\mathrm{T}}_{\mathrm{equiv}}$=2.9\ifmmode\times\else\texttimes\fi{}${10}^{3}$ K, 2.10(0.18)\ifmmode\times\else\texttimes\fi{}${10}^{\mathrm{\ensuremath{-}}9}$ ${\mathrm{cm}}^{3}$ ${\mathrm{s}}^{\mathrm{\ensuremath{-}}1}$ at ${\mathrm{T}}_{\mathrm{equiv}}$=1.3\ifmmode\times\else\texttimes\fi{}${10}^{4}$ K, and 3.37(0.29)\ifmmode\times\else\texttimes\fi{}${10}^{\mathrm{\ensuremath{-}}9}$ ${\mathrm{cm}}^{3}$ ${\mathrm{s}}^{\mathrm{\ensuremath{-}}1}$ at ${\mathrm{T}}_{\mathrm{equiv}}$=1.3\ifmmode\times\else\texttimes\fi{}${10}^{4}$ K, respectively. No theoretical or other experimental values are available at this energy range.