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).

  • 3122982300 | +1 312-298-2300 Illinois U.S.A.
  • 3122982301 | +1 312-298-2301 Illinois U.S.A.
  • 3122982302 | +1 312-298-2302 Illinois U.S.A.
  • 3122982303 | +1 312-298-2303 Illinois U.S.A.
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  • 3122982306 | +1 312-298-2306 Illinois U.S.A.
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  • 3122982308 | +1 312-298-2308 Illinois U.S.A.
  • 3122982309 | +1 312-298-2309 Illinois U.S.A.
  • 3122982310 | +1 312-298-2310 Illinois U.S.A.
  • 3122982311 | +1 312-298-2311 Illinois U.S.A.
  • 3122982312 | +1 312-298-2312 Illinois U.S.A.
  • 3122982313 | +1 312-298-2313 Illinois U.S.A.
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  • 3122982315 | +1 312-298-2315 Illinois U.S.A.
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  • 3122982318 | +1 312-298-2318 Illinois U.S.A.
  • 3122982319 | +1 312-298-2319 Illinois U.S.A.
  • 3122982320 | +1 312-298-2320 Illinois U.S.A.
  • 3122982321 | +1 312-298-2321 Illinois U.S.A.
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  • 3122982323 | +1 312-298-2323 Illinois U.S.A.
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  • 3122982325 | +1 312-298-2325 Illinois U.S.A.
  • 3122982326 | +1 312-298-2326 Illinois U.S.A.
  • 3122982327 | +1 312-298-2327 Illinois U.S.A.
  • 3122982328 | +1 312-298-2328 Illinois U.S.A.
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  • 3122982330 | +1 312-298-2330 Illinois U.S.A.
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  • 3122982335 | +1 312-298-2335 Illinois U.S.A.
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  • 3122982340 | +1 312-298-2340 Illinois U.S.A.
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  • 3122982348 | +1 312-298-2348 Illinois U.S.A.
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  • 3122982355 | +1 312-298-2355 Illinois U.S.A.
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  • 3122982357 | +1 312-298-2357 Illinois U.S.A.
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  • 3122982359 | +1 312-298-2359 Illinois U.S.A.
  • 3122982360 | +1 312-298-2360 Illinois U.S.A.
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  • 3122982363 | +1 312-298-2363 Illinois U.S.A.
  • 3122982364 | +1 312-298-2364 Illinois U.S.A.
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  • 3122982370 | +1 312-298-2370 Illinois U.S.A.
  • 3122982371 | +1 312-298-2371 Illinois U.S.A.
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  • 3122982373 | +1 312-298-2373 Illinois U.S.A.
  • 3122982374 | +1 312-298-2374 Illinois U.S.A.
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  • 3122982376 | +1 312-298-2376 Illinois U.S.A.
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  • 3122982378 | +1 312-298-2378 Illinois U.S.A.
  • 3122982379 | +1 312-298-2379 Illinois U.S.A.
  • 3122982380 | +1 312-298-2380 Illinois U.S.A.
  • 3122982381 | +1 312-298-2381 Illinois U.S.A.
  • 3122982382 | +1 312-298-2382 Illinois U.S.A.
  • 3122982383 | +1 312-298-2383 Illinois U.S.A.
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  • 3122982386 | +1 312-298-2386 Illinois U.S.A.
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