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).

  • 8157672300 | +1 815-767-2300 Illinois U.S.A.
  • 8157672301 | +1 815-767-2301 Illinois U.S.A.
  • 8157672302 | +1 815-767-2302 Illinois U.S.A.
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  • 8157672321 | +1 815-767-2321 Illinois U.S.A.
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  • 8157672367 | +1 815-767-2367 Illinois U.S.A.
  • 8157672368 | +1 815-767-2368 Illinois U.S.A.
  • 8157672369 | +1 815-767-2369 Illinois U.S.A.
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  • 8157672373 | +1 815-767-2373 Illinois U.S.A.
  • 8157672374 | +1 815-767-2374 Illinois U.S.A.
  • 8157672375 | +1 815-767-2375 Illinois U.S.A.
  • 8157672376 | +1 815-767-2376 Illinois U.S.A.
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  • 8157672378 | +1 815-767-2378 Illinois U.S.A.
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  • 8157672394 | +1 815-767-2394 Illinois U.S.A.
  • 8157672395 | +1 815-767-2395 Illinois U.S.A.
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  • 8157672397 | +1 815-767-2397 Illinois U.S.A.
  • 8157672398 | +1 815-767-2398 Illinois U.S.A.
  • 8157672399 | +1 815-767-2399 Illinois U.S.A.