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).

  • 3128177300 | +1 312-817-7300 Illinois U.S.A.
  • 3128177301 | +1 312-817-7301 Illinois U.S.A.
  • 3128177302 | +1 312-817-7302 Illinois U.S.A.
  • 3128177303 | +1 312-817-7303 Illinois U.S.A.
  • 3128177304 | +1 312-817-7304 Illinois U.S.A.
  • 3128177305 | +1 312-817-7305 Illinois U.S.A.
  • 3128177306 | +1 312-817-7306 Illinois U.S.A.
  • 3128177307 | +1 312-817-7307 Illinois U.S.A.
  • 3128177308 | +1 312-817-7308 Illinois U.S.A.
  • 3128177309 | +1 312-817-7309 Illinois U.S.A.
  • 3128177310 | +1 312-817-7310 Illinois U.S.A.
  • 3128177311 | +1 312-817-7311 Illinois U.S.A.
  • 3128177312 | +1 312-817-7312 Illinois U.S.A.
  • 3128177313 | +1 312-817-7313 Illinois U.S.A.
  • 3128177314 | +1 312-817-7314 Illinois U.S.A.
  • 3128177315 | +1 312-817-7315 Illinois U.S.A.
  • 3128177316 | +1 312-817-7316 Illinois U.S.A.
  • 3128177317 | +1 312-817-7317 Illinois U.S.A.
  • 3128177318 | +1 312-817-7318 Illinois U.S.A.
  • 3128177319 | +1 312-817-7319 Illinois U.S.A.
  • 3128177320 | +1 312-817-7320 Illinois U.S.A.
  • 3128177321 | +1 312-817-7321 Illinois U.S.A.
  • 3128177322 | +1 312-817-7322 Illinois U.S.A.
  • 3128177323 | +1 312-817-7323 Illinois U.S.A.
  • 3128177324 | +1 312-817-7324 Illinois U.S.A.
  • 3128177325 | +1 312-817-7325 Illinois U.S.A.
  • 3128177326 | +1 312-817-7326 Illinois U.S.A.
  • 3128177327 | +1 312-817-7327 Illinois U.S.A.
  • 3128177328 | +1 312-817-7328 Illinois U.S.A.
  • 3128177329 | +1 312-817-7329 Illinois U.S.A.
  • 3128177330 | +1 312-817-7330 Illinois U.S.A.
  • 3128177331 | +1 312-817-7331 Illinois U.S.A.
  • 3128177332 | +1 312-817-7332 Illinois U.S.A.
  • 3128177333 | +1 312-817-7333 Illinois U.S.A.
  • 3128177334 | +1 312-817-7334 Illinois U.S.A.
  • 3128177335 | +1 312-817-7335 Illinois U.S.A.
  • 3128177336 | +1 312-817-7336 Illinois U.S.A.
  • 3128177337 | +1 312-817-7337 Illinois U.S.A.
  • 3128177338 | +1 312-817-7338 Illinois U.S.A.
  • 3128177339 | +1 312-817-7339 Illinois U.S.A.
  • 3128177340 | +1 312-817-7340 Illinois U.S.A.
  • 3128177341 | +1 312-817-7341 Illinois U.S.A.
  • 3128177342 | +1 312-817-7342 Illinois U.S.A.
  • 3128177343 | +1 312-817-7343 Illinois U.S.A.
  • 3128177344 | +1 312-817-7344 Illinois U.S.A.
  • 3128177345 | +1 312-817-7345 Illinois U.S.A.
  • 3128177346 | +1 312-817-7346 Illinois U.S.A.
  • 3128177347 | +1 312-817-7347 Illinois U.S.A.
  • 3128177348 | +1 312-817-7348 Illinois U.S.A.
  • 3128177349 | +1 312-817-7349 Illinois U.S.A.
  • 3128177350 | +1 312-817-7350 Illinois U.S.A.
  • 3128177351 | +1 312-817-7351 Illinois U.S.A.
  • 3128177352 | +1 312-817-7352 Illinois U.S.A.
  • 3128177353 | +1 312-817-7353 Illinois U.S.A.
  • 3128177354 | +1 312-817-7354 Illinois U.S.A.
  • 3128177355 | +1 312-817-7355 Illinois U.S.A.
  • 3128177356 | +1 312-817-7356 Illinois U.S.A.
  • 3128177357 | +1 312-817-7357 Illinois U.S.A.
  • 3128177358 | +1 312-817-7358 Illinois U.S.A.
  • 3128177359 | +1 312-817-7359 Illinois U.S.A.
  • 3128177360 | +1 312-817-7360 Illinois U.S.A.
  • 3128177361 | +1 312-817-7361 Illinois U.S.A.
  • 3128177362 | +1 312-817-7362 Illinois U.S.A.
  • 3128177363 | +1 312-817-7363 Illinois U.S.A.
  • 3128177364 | +1 312-817-7364 Illinois U.S.A.
  • 3128177365 | +1 312-817-7365 Illinois U.S.A.
  • 3128177366 | +1 312-817-7366 Illinois U.S.A.
  • 3128177367 | +1 312-817-7367 Illinois U.S.A.
  • 3128177368 | +1 312-817-7368 Illinois U.S.A.
  • 3128177369 | +1 312-817-7369 Illinois U.S.A.
  • 3128177370 | +1 312-817-7370 Illinois U.S.A.
  • 3128177371 | +1 312-817-7371 Illinois U.S.A.
  • 3128177372 | +1 312-817-7372 Illinois U.S.A.
  • 3128177373 | +1 312-817-7373 Illinois U.S.A.
  • 3128177374 | +1 312-817-7374 Illinois U.S.A.
  • 3128177375 | +1 312-817-7375 Illinois U.S.A.
  • 3128177376 | +1 312-817-7376 Illinois U.S.A.
  • 3128177377 | +1 312-817-7377 Illinois U.S.A.
  • 3128177378 | +1 312-817-7378 Illinois U.S.A.
  • 3128177379 | +1 312-817-7379 Illinois U.S.A.
  • 3128177380 | +1 312-817-7380 Illinois U.S.A.
  • 3128177381 | +1 312-817-7381 Illinois U.S.A.
  • 3128177382 | +1 312-817-7382 Illinois U.S.A.
  • 3128177383 | +1 312-817-7383 Illinois U.S.A.
  • 3128177384 | +1 312-817-7384 Illinois U.S.A.
  • 3128177385 | +1 312-817-7385 Illinois U.S.A.
  • 3128177386 | +1 312-817-7386 Illinois U.S.A.
  • 3128177387 | +1 312-817-7387 Illinois U.S.A.
  • 3128177388 | +1 312-817-7388 Illinois U.S.A.
  • 3128177389 | +1 312-817-7389 Illinois U.S.A.
  • 3128177390 | +1 312-817-7390 Illinois U.S.A.
  • 3128177391 | +1 312-817-7391 Illinois U.S.A.
  • 3128177392 | +1 312-817-7392 Illinois U.S.A.
  • 3128177393 | +1 312-817-7393 Illinois U.S.A.
  • 3128177394 | +1 312-817-7394 Illinois U.S.A.
  • 3128177395 | +1 312-817-7395 Illinois U.S.A.
  • 3128177396 | +1 312-817-7396 Illinois U.S.A.
  • 3128177397 | +1 312-817-7397 Illinois U.S.A.
  • 3128177398 | +1 312-817-7398 Illinois U.S.A.
  • 3128177399 | +1 312-817-7399 Illinois U.S.A.