City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3128397300 | +1 312-839-7300 Illinois U.S.A.
  • 3128397301 | +1 312-839-7301 Illinois U.S.A.
  • 3128397302 | +1 312-839-7302 Illinois U.S.A.
  • 3128397303 | +1 312-839-7303 Illinois U.S.A.
  • 3128397304 | +1 312-839-7304 Illinois U.S.A.
  • 3128397305 | +1 312-839-7305 Illinois U.S.A.
  • 3128397306 | +1 312-839-7306 Illinois U.S.A.
  • 3128397307 | +1 312-839-7307 Illinois U.S.A.
  • 3128397308 | +1 312-839-7308 Illinois U.S.A.
  • 3128397309 | +1 312-839-7309 Illinois U.S.A.
  • 3128397310 | +1 312-839-7310 Illinois U.S.A.
  • 3128397311 | +1 312-839-7311 Illinois U.S.A.
  • 3128397312 | +1 312-839-7312 Illinois U.S.A.
  • 3128397313 | +1 312-839-7313 Illinois U.S.A.
  • 3128397314 | +1 312-839-7314 Illinois U.S.A.
  • 3128397315 | +1 312-839-7315 Illinois U.S.A.
  • 3128397316 | +1 312-839-7316 Illinois U.S.A.
  • 3128397317 | +1 312-839-7317 Illinois U.S.A.
  • 3128397318 | +1 312-839-7318 Illinois U.S.A.
  • 3128397319 | +1 312-839-7319 Illinois U.S.A.
  • 3128397320 | +1 312-839-7320 Illinois U.S.A.
  • 3128397321 | +1 312-839-7321 Illinois U.S.A.
  • 3128397322 | +1 312-839-7322 Illinois U.S.A.
  • 3128397323 | +1 312-839-7323 Illinois U.S.A.
  • 3128397324 | +1 312-839-7324 Illinois U.S.A.
  • 3128397325 | +1 312-839-7325 Illinois U.S.A.
  • 3128397326 | +1 312-839-7326 Illinois U.S.A.
  • 3128397327 | +1 312-839-7327 Illinois U.S.A.
  • 3128397328 | +1 312-839-7328 Illinois U.S.A.
  • 3128397329 | +1 312-839-7329 Illinois U.S.A.
  • 3128397330 | +1 312-839-7330 Illinois U.S.A.
  • 3128397331 | +1 312-839-7331 Illinois U.S.A.
  • 3128397332 | +1 312-839-7332 Illinois U.S.A.
  • 3128397333 | +1 312-839-7333 Illinois U.S.A.
  • 3128397334 | +1 312-839-7334 Illinois U.S.A.
  • 3128397335 | +1 312-839-7335 Illinois U.S.A.
  • 3128397336 | +1 312-839-7336 Illinois U.S.A.
  • 3128397337 | +1 312-839-7337 Illinois U.S.A.
  • 3128397338 | +1 312-839-7338 Illinois U.S.A.
  • 3128397339 | +1 312-839-7339 Illinois U.S.A.
  • 3128397340 | +1 312-839-7340 Illinois U.S.A.
  • 3128397341 | +1 312-839-7341 Illinois U.S.A.
  • 3128397342 | +1 312-839-7342 Illinois U.S.A.
  • 3128397343 | +1 312-839-7343 Illinois U.S.A.
  • 3128397344 | +1 312-839-7344 Illinois U.S.A.
  • 3128397345 | +1 312-839-7345 Illinois U.S.A.
  • 3128397346 | +1 312-839-7346 Illinois U.S.A.
  • 3128397347 | +1 312-839-7347 Illinois U.S.A.
  • 3128397348 | +1 312-839-7348 Illinois U.S.A.
  • 3128397349 | +1 312-839-7349 Illinois U.S.A.
  • 3128397350 | +1 312-839-7350 Illinois U.S.A.
  • 3128397351 | +1 312-839-7351 Illinois U.S.A.
  • 3128397352 | +1 312-839-7352 Illinois U.S.A.
  • 3128397353 | +1 312-839-7353 Illinois U.S.A.
  • 3128397354 | +1 312-839-7354 Illinois U.S.A.
  • 3128397355 | +1 312-839-7355 Illinois U.S.A.
  • 3128397356 | +1 312-839-7356 Illinois U.S.A.
  • 3128397357 | +1 312-839-7357 Illinois U.S.A.
  • 3128397358 | +1 312-839-7358 Illinois U.S.A.
  • 3128397359 | +1 312-839-7359 Illinois U.S.A.
  • 3128397360 | +1 312-839-7360 Illinois U.S.A.
  • 3128397361 | +1 312-839-7361 Illinois U.S.A.
  • 3128397362 | +1 312-839-7362 Illinois U.S.A.
  • 3128397363 | +1 312-839-7363 Illinois U.S.A.
  • 3128397364 | +1 312-839-7364 Illinois U.S.A.
  • 3128397365 | +1 312-839-7365 Illinois U.S.A.
  • 3128397366 | +1 312-839-7366 Illinois U.S.A.
  • 3128397367 | +1 312-839-7367 Illinois U.S.A.
  • 3128397368 | +1 312-839-7368 Illinois U.S.A.
  • 3128397369 | +1 312-839-7369 Illinois U.S.A.
  • 3128397370 | +1 312-839-7370 Illinois U.S.A.
  • 3128397371 | +1 312-839-7371 Illinois U.S.A.
  • 3128397372 | +1 312-839-7372 Illinois U.S.A.
  • 3128397373 | +1 312-839-7373 Illinois U.S.A.
  • 3128397374 | +1 312-839-7374 Illinois U.S.A.
  • 3128397375 | +1 312-839-7375 Illinois U.S.A.
  • 3128397376 | +1 312-839-7376 Illinois U.S.A.
  • 3128397377 | +1 312-839-7377 Illinois U.S.A.
  • 3128397378 | +1 312-839-7378 Illinois U.S.A.
  • 3128397379 | +1 312-839-7379 Illinois U.S.A.
  • 3128397380 | +1 312-839-7380 Illinois U.S.A.
  • 3128397381 | +1 312-839-7381 Illinois U.S.A.
  • 3128397382 | +1 312-839-7382 Illinois U.S.A.
  • 3128397383 | +1 312-839-7383 Illinois U.S.A.
  • 3128397384 | +1 312-839-7384 Illinois U.S.A.
  • 3128397385 | +1 312-839-7385 Illinois U.S.A.
  • 3128397386 | +1 312-839-7386 Illinois U.S.A.
  • 3128397387 | +1 312-839-7387 Illinois U.S.A.
  • 3128397388 | +1 312-839-7388 Illinois U.S.A.
  • 3128397389 | +1 312-839-7389 Illinois U.S.A.
  • 3128397390 | +1 312-839-7390 Illinois U.S.A.
  • 3128397391 | +1 312-839-7391 Illinois U.S.A.
  • 3128397392 | +1 312-839-7392 Illinois U.S.A.
  • 3128397393 | +1 312-839-7393 Illinois U.S.A.
  • 3128397394 | +1 312-839-7394 Illinois U.S.A.
  • 3128397395 | +1 312-839-7395 Illinois U.S.A.
  • 3128397396 | +1 312-839-7396 Illinois U.S.A.
  • 3128397397 | +1 312-839-7397 Illinois U.S.A.
  • 3128397398 | +1 312-839-7398 Illinois U.S.A.
  • 3128397399 | +1 312-839-7399 Illinois U.S.A.