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).

  • 3128390300 | +1 312-839-0300 Illinois U.S.A.
  • 3128390301 | +1 312-839-0301 Illinois U.S.A.
  • 3128390302 | +1 312-839-0302 Illinois U.S.A.
  • 3128390303 | +1 312-839-0303 Illinois U.S.A.
  • 3128390304 | +1 312-839-0304 Illinois U.S.A.
  • 3128390305 | +1 312-839-0305 Illinois U.S.A.
  • 3128390306 | +1 312-839-0306 Illinois U.S.A.
  • 3128390307 | +1 312-839-0307 Illinois U.S.A.
  • 3128390308 | +1 312-839-0308 Illinois U.S.A.
  • 3128390309 | +1 312-839-0309 Illinois U.S.A.
  • 3128390310 | +1 312-839-0310 Illinois U.S.A.
  • 3128390311 | +1 312-839-0311 Illinois U.S.A.
  • 3128390312 | +1 312-839-0312 Illinois U.S.A.
  • 3128390313 | +1 312-839-0313 Illinois U.S.A.
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  • 3128390316 | +1 312-839-0316 Illinois U.S.A.
  • 3128390317 | +1 312-839-0317 Illinois U.S.A.
  • 3128390318 | +1 312-839-0318 Illinois U.S.A.
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  • 3128390320 | +1 312-839-0320 Illinois U.S.A.
  • 3128390321 | +1 312-839-0321 Illinois U.S.A.
  • 3128390322 | +1 312-839-0322 Illinois U.S.A.
  • 3128390323 | +1 312-839-0323 Illinois U.S.A.
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  • 3128390325 | +1 312-839-0325 Illinois U.S.A.
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  • 3128390330 | +1 312-839-0330 Illinois U.S.A.
  • 3128390331 | +1 312-839-0331 Illinois U.S.A.
  • 3128390332 | +1 312-839-0332 Illinois U.S.A.
  • 3128390333 | +1 312-839-0333 Illinois U.S.A.
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  • 3128390336 | +1 312-839-0336 Illinois U.S.A.
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  • 3128390340 | +1 312-839-0340 Illinois U.S.A.
  • 3128390341 | +1 312-839-0341 Illinois U.S.A.
  • 3128390342 | +1 312-839-0342 Illinois U.S.A.
  • 3128390343 | +1 312-839-0343 Illinois U.S.A.
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  • 3128390345 | +1 312-839-0345 Illinois U.S.A.
  • 3128390346 | +1 312-839-0346 Illinois U.S.A.
  • 3128390347 | +1 312-839-0347 Illinois U.S.A.
  • 3128390348 | +1 312-839-0348 Illinois U.S.A.
  • 3128390349 | +1 312-839-0349 Illinois U.S.A.
  • 3128390350 | +1 312-839-0350 Illinois U.S.A.
  • 3128390351 | +1 312-839-0351 Illinois U.S.A.
  • 3128390352 | +1 312-839-0352 Illinois U.S.A.
  • 3128390353 | +1 312-839-0353 Illinois U.S.A.
  • 3128390354 | +1 312-839-0354 Illinois U.S.A.
  • 3128390355 | +1 312-839-0355 Illinois U.S.A.
  • 3128390356 | +1 312-839-0356 Illinois U.S.A.
  • 3128390357 | +1 312-839-0357 Illinois U.S.A.
  • 3128390358 | +1 312-839-0358 Illinois U.S.A.
  • 3128390359 | +1 312-839-0359 Illinois U.S.A.
  • 3128390360 | +1 312-839-0360 Illinois U.S.A.
  • 3128390361 | +1 312-839-0361 Illinois U.S.A.
  • 3128390362 | +1 312-839-0362 Illinois U.S.A.
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  • 3128390364 | +1 312-839-0364 Illinois U.S.A.
  • 3128390365 | +1 312-839-0365 Illinois U.S.A.
  • 3128390366 | +1 312-839-0366 Illinois U.S.A.
  • 3128390367 | +1 312-839-0367 Illinois U.S.A.
  • 3128390368 | +1 312-839-0368 Illinois U.S.A.
  • 3128390369 | +1 312-839-0369 Illinois U.S.A.
  • 3128390370 | +1 312-839-0370 Illinois U.S.A.
  • 3128390371 | +1 312-839-0371 Illinois U.S.A.
  • 3128390372 | +1 312-839-0372 Illinois U.S.A.
  • 3128390373 | +1 312-839-0373 Illinois U.S.A.
  • 3128390374 | +1 312-839-0374 Illinois U.S.A.
  • 3128390375 | +1 312-839-0375 Illinois U.S.A.
  • 3128390376 | +1 312-839-0376 Illinois U.S.A.
  • 3128390377 | +1 312-839-0377 Illinois U.S.A.
  • 3128390378 | +1 312-839-0378 Illinois U.S.A.
  • 3128390379 | +1 312-839-0379 Illinois U.S.A.
  • 3128390380 | +1 312-839-0380 Illinois U.S.A.
  • 3128390381 | +1 312-839-0381 Illinois U.S.A.
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  • 3128390384 | +1 312-839-0384 Illinois U.S.A.
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  • 3128390386 | +1 312-839-0386 Illinois U.S.A.
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  • 3128390392 | +1 312-839-0392 Illinois U.S.A.
  • 3128390393 | +1 312-839-0393 Illinois U.S.A.
  • 3128390394 | +1 312-839-0394 Illinois U.S.A.
  • 3128390395 | +1 312-839-0395 Illinois U.S.A.
  • 3128390396 | +1 312-839-0396 Illinois U.S.A.
  • 3128390397 | +1 312-839-0397 Illinois U.S.A.
  • 3128390398 | +1 312-839-0398 Illinois U.S.A.
  • 3128390399 | +1 312-839-0399 Illinois U.S.A.