Iran has launch vehicles that work. Bowl head has the warheads (in theory).
FYI - the most plausible scenarios have the missiles launched offshore from ships. They could reach sufficient altitude to generate the three-phase line-of-sight most-damaging EMP effects. Otherwise intra-atmospheric EMPs would be localized and arguably 2-phase. Ground burst, or near-ground burst are far worse fallout risks than EMP risks.
..... However none of his delivery systems have proven to navigate past a distance of a few hundred miles. I highly doubt that another nation would do N Korea a nice cordial favor and launch an attack upon the US for fear of retaliation.