Ibge - id estado: id capital (município)

capitalsBR.js

// stateCode: cityCode
const capitaisBr = {
  11: 1100205,
  12: 1200401,
  13: 1302603,
  14: 1400100,
  15: 1501402,
  16: 1600303,
  17: 1721000,
  21: 2111300,
  22: 2211001,
  23: 2304400,
  24: 2408102,
  25: 2507507,
  26: 2611606,
  27: 2704302,
  28: 2800308,
  29: 2927408,
  31: 3106200,
  32: 3205309,
  33: 3304557,
  35: 3550308,
  41: 4106902,
  42: 4205407,
  43: 4314902,
  50: 5002704,
  51: 5103403,
  52: 5208707, 
  53: 5300108
}