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).

  • 3127261400 | +1 312-726-1400 Illinois U.S.A.
  • 3127261401 | +1 312-726-1401 Illinois U.S.A.
  • 3127261402 | +1 312-726-1402 Illinois U.S.A.
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  • 3127261404 | +1 312-726-1404 Illinois U.S.A.
  • 3127261405 | +1 312-726-1405 Illinois U.S.A.
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  • 3127261409 | +1 312-726-1409 Illinois U.S.A.
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  • 3127261411 | +1 312-726-1411 Illinois U.S.A.
  • 3127261412 | +1 312-726-1412 Illinois U.S.A.
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  • 3127261414 | +1 312-726-1414 Illinois U.S.A.
  • 3127261415 | +1 312-726-1415 Illinois U.S.A.
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  • 3127261455 | +1 312-726-1455 Illinois U.S.A.
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  • 3127261467 | +1 312-726-1467 Illinois U.S.A.
  • 3127261468 | +1 312-726-1468 Illinois U.S.A.
  • 3127261469 | +1 312-726-1469 Illinois U.S.A.
  • 3127261470 | +1 312-726-1470 Illinois U.S.A.
  • 3127261471 | +1 312-726-1471 Illinois U.S.A.
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  • 3127261476 | +1 312-726-1476 Illinois U.S.A.
  • 3127261477 | +1 312-726-1477 Illinois U.S.A.
  • 3127261478 | +1 312-726-1478 Illinois U.S.A.
  • 3127261479 | +1 312-726-1479 Illinois U.S.A.
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  • 3127261481 | +1 312-726-1481 Illinois U.S.A.
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  • 3127261498 | +1 312-726-1498 Illinois U.S.A.
  • 3127261499 | +1 312-726-1499 Illinois U.S.A.