City of Chicago


815 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).

  • 8157671400 | +1 815-767-1400 Illinois U.S.A.
  • 8157671401 | +1 815-767-1401 Illinois U.S.A.
  • 8157671402 | +1 815-767-1402 Illinois U.S.A.
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  • 8157671467 | +1 815-767-1467 Illinois U.S.A.
  • 8157671468 | +1 815-767-1468 Illinois U.S.A.
  • 8157671469 | +1 815-767-1469 Illinois U.S.A.
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  • 8157671471 | +1 815-767-1471 Illinois U.S.A.
  • 8157671472 | +1 815-767-1472 Illinois U.S.A.
  • 8157671473 | +1 815-767-1473 Illinois U.S.A.
  • 8157671474 | +1 815-767-1474 Illinois U.S.A.
  • 8157671475 | +1 815-767-1475 Illinois U.S.A.
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  • 8157671478 | +1 815-767-1478 Illinois U.S.A.
  • 8157671479 | +1 815-767-1479 Illinois U.S.A.
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  • 8157671497 | +1 815-767-1497 Illinois U.S.A.
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  • 8157671499 | +1 815-767-1499 Illinois U.S.A.