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).

  • 3124796300 | +1 312-479-6300 Illinois U.S.A.
  • 3124796301 | +1 312-479-6301 Illinois U.S.A.
  • 3124796302 | +1 312-479-6302 Illinois U.S.A.
  • 3124796303 | +1 312-479-6303 Illinois U.S.A.
  • 3124796304 | +1 312-479-6304 Illinois U.S.A.
  • 3124796305 | +1 312-479-6305 Illinois U.S.A.
  • 3124796306 | +1 312-479-6306 Illinois U.S.A.
  • 3124796307 | +1 312-479-6307 Illinois U.S.A.
  • 3124796308 | +1 312-479-6308 Illinois U.S.A.
  • 3124796309 | +1 312-479-6309 Illinois U.S.A.
  • 3124796310 | +1 312-479-6310 Illinois U.S.A.
  • 3124796311 | +1 312-479-6311 Illinois U.S.A.
  • 3124796312 | +1 312-479-6312 Illinois U.S.A.
  • 3124796313 | +1 312-479-6313 Illinois U.S.A.
  • 3124796314 | +1 312-479-6314 Illinois U.S.A.
  • 3124796315 | +1 312-479-6315 Illinois U.S.A.
  • 3124796316 | +1 312-479-6316 Illinois U.S.A.
  • 3124796317 | +1 312-479-6317 Illinois U.S.A.
  • 3124796318 | +1 312-479-6318 Illinois U.S.A.
  • 3124796319 | +1 312-479-6319 Illinois U.S.A.
  • 3124796320 | +1 312-479-6320 Illinois U.S.A.
  • 3124796321 | +1 312-479-6321 Illinois U.S.A.
  • 3124796322 | +1 312-479-6322 Illinois U.S.A.
  • 3124796323 | +1 312-479-6323 Illinois U.S.A.
  • 3124796324 | +1 312-479-6324 Illinois U.S.A.
  • 3124796325 | +1 312-479-6325 Illinois U.S.A.
  • 3124796326 | +1 312-479-6326 Illinois U.S.A.
  • 3124796327 | +1 312-479-6327 Illinois U.S.A.
  • 3124796328 | +1 312-479-6328 Illinois U.S.A.
  • 3124796329 | +1 312-479-6329 Illinois U.S.A.
  • 3124796330 | +1 312-479-6330 Illinois U.S.A.
  • 3124796331 | +1 312-479-6331 Illinois U.S.A.
  • 3124796332 | +1 312-479-6332 Illinois U.S.A.
  • 3124796333 | +1 312-479-6333 Illinois U.S.A.
  • 3124796334 | +1 312-479-6334 Illinois U.S.A.
  • 3124796335 | +1 312-479-6335 Illinois U.S.A.
  • 3124796336 | +1 312-479-6336 Illinois U.S.A.
  • 3124796337 | +1 312-479-6337 Illinois U.S.A.
  • 3124796338 | +1 312-479-6338 Illinois U.S.A.
  • 3124796339 | +1 312-479-6339 Illinois U.S.A.
  • 3124796340 | +1 312-479-6340 Illinois U.S.A.
  • 3124796341 | +1 312-479-6341 Illinois U.S.A.
  • 3124796342 | +1 312-479-6342 Illinois U.S.A.
  • 3124796343 | +1 312-479-6343 Illinois U.S.A.
  • 3124796344 | +1 312-479-6344 Illinois U.S.A.
  • 3124796345 | +1 312-479-6345 Illinois U.S.A.
  • 3124796346 | +1 312-479-6346 Illinois U.S.A.
  • 3124796347 | +1 312-479-6347 Illinois U.S.A.
  • 3124796348 | +1 312-479-6348 Illinois U.S.A.
  • 3124796349 | +1 312-479-6349 Illinois U.S.A.
  • 3124796350 | +1 312-479-6350 Illinois U.S.A.
  • 3124796351 | +1 312-479-6351 Illinois U.S.A.
  • 3124796352 | +1 312-479-6352 Illinois U.S.A.
  • 3124796353 | +1 312-479-6353 Illinois U.S.A.
  • 3124796354 | +1 312-479-6354 Illinois U.S.A.
  • 3124796355 | +1 312-479-6355 Illinois U.S.A.
  • 3124796356 | +1 312-479-6356 Illinois U.S.A.
  • 3124796357 | +1 312-479-6357 Illinois U.S.A.
  • 3124796358 | +1 312-479-6358 Illinois U.S.A.
  • 3124796359 | +1 312-479-6359 Illinois U.S.A.
  • 3124796360 | +1 312-479-6360 Illinois U.S.A.
  • 3124796361 | +1 312-479-6361 Illinois U.S.A.
  • 3124796362 | +1 312-479-6362 Illinois U.S.A.
  • 3124796363 | +1 312-479-6363 Illinois U.S.A.
  • 3124796364 | +1 312-479-6364 Illinois U.S.A.
  • 3124796365 | +1 312-479-6365 Illinois U.S.A.
  • 3124796366 | +1 312-479-6366 Illinois U.S.A.
  • 3124796367 | +1 312-479-6367 Illinois U.S.A.
  • 3124796368 | +1 312-479-6368 Illinois U.S.A.
  • 3124796369 | +1 312-479-6369 Illinois U.S.A.
  • 3124796370 | +1 312-479-6370 Illinois U.S.A.
  • 3124796371 | +1 312-479-6371 Illinois U.S.A.
  • 3124796372 | +1 312-479-6372 Illinois U.S.A.
  • 3124796373 | +1 312-479-6373 Illinois U.S.A.
  • 3124796374 | +1 312-479-6374 Illinois U.S.A.
  • 3124796375 | +1 312-479-6375 Illinois U.S.A.
  • 3124796376 | +1 312-479-6376 Illinois U.S.A.
  • 3124796377 | +1 312-479-6377 Illinois U.S.A.
  • 3124796378 | +1 312-479-6378 Illinois U.S.A.
  • 3124796379 | +1 312-479-6379 Illinois U.S.A.
  • 3124796380 | +1 312-479-6380 Illinois U.S.A.
  • 3124796381 | +1 312-479-6381 Illinois U.S.A.
  • 3124796382 | +1 312-479-6382 Illinois U.S.A.
  • 3124796383 | +1 312-479-6383 Illinois U.S.A.
  • 3124796384 | +1 312-479-6384 Illinois U.S.A.
  • 3124796385 | +1 312-479-6385 Illinois U.S.A.
  • 3124796386 | +1 312-479-6386 Illinois U.S.A.
  • 3124796387 | +1 312-479-6387 Illinois U.S.A.
  • 3124796388 | +1 312-479-6388 Illinois U.S.A.
  • 3124796389 | +1 312-479-6389 Illinois U.S.A.
  • 3124796390 | +1 312-479-6390 Illinois U.S.A.
  • 3124796391 | +1 312-479-6391 Illinois U.S.A.
  • 3124796392 | +1 312-479-6392 Illinois U.S.A.
  • 3124796393 | +1 312-479-6393 Illinois U.S.A.
  • 3124796394 | +1 312-479-6394 Illinois U.S.A.
  • 3124796395 | +1 312-479-6395 Illinois U.S.A.
  • 3124796396 | +1 312-479-6396 Illinois U.S.A.
  • 3124796397 | +1 312-479-6397 Illinois U.S.A.
  • 3124796398 | +1 312-479-6398 Illinois U.S.A.
  • 3124796399 | +1 312-479-6399 Illinois U.S.A.