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).

  • 3125667200 | +1 312-566-7200 Illinois U.S.A.
  • 3125667201 | +1 312-566-7201 Illinois U.S.A.
  • 3125667202 | +1 312-566-7202 Illinois U.S.A.
  • 3125667203 | +1 312-566-7203 Illinois U.S.A.
  • 3125667204 | +1 312-566-7204 Illinois U.S.A.
  • 3125667205 | +1 312-566-7205 Illinois U.S.A.
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  • 3125667208 | +1 312-566-7208 Illinois U.S.A.
  • 3125667209 | +1 312-566-7209 Illinois U.S.A.
  • 3125667210 | +1 312-566-7210 Illinois U.S.A.
  • 3125667211 | +1 312-566-7211 Illinois U.S.A.
  • 3125667212 | +1 312-566-7212 Illinois U.S.A.
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  • 3125667224 | +1 312-566-7224 Illinois U.S.A.
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  • 3125667230 | +1 312-566-7230 Illinois U.S.A.
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  • 3125667232 | +1 312-566-7232 Illinois U.S.A.
  • 3125667233 | +1 312-566-7233 Illinois U.S.A.
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  • 3125667239 | +1 312-566-7239 Illinois U.S.A.
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  • 3125667246 | +1 312-566-7246 Illinois U.S.A.
  • 3125667247 | +1 312-566-7247 Illinois U.S.A.
  • 3125667248 | +1 312-566-7248 Illinois U.S.A.
  • 3125667249 | +1 312-566-7249 Illinois U.S.A.
  • 3125667250 | +1 312-566-7250 Illinois U.S.A.
  • 3125667251 | +1 312-566-7251 Illinois U.S.A.
  • 3125667252 | +1 312-566-7252 Illinois U.S.A.
  • 3125667253 | +1 312-566-7253 Illinois U.S.A.
  • 3125667254 | +1 312-566-7254 Illinois U.S.A.
  • 3125667255 | +1 312-566-7255 Illinois U.S.A.
  • 3125667256 | +1 312-566-7256 Illinois U.S.A.
  • 3125667257 | +1 312-566-7257 Illinois U.S.A.
  • 3125667258 | +1 312-566-7258 Illinois U.S.A.
  • 3125667259 | +1 312-566-7259 Illinois U.S.A.
  • 3125667260 | +1 312-566-7260 Illinois U.S.A.
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  • 3125667263 | +1 312-566-7263 Illinois U.S.A.
  • 3125667264 | +1 312-566-7264 Illinois U.S.A.
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  • 3125667266 | +1 312-566-7266 Illinois U.S.A.
  • 3125667267 | +1 312-566-7267 Illinois U.S.A.
  • 3125667268 | +1 312-566-7268 Illinois U.S.A.
  • 3125667269 | +1 312-566-7269 Illinois U.S.A.
  • 3125667270 | +1 312-566-7270 Illinois U.S.A.
  • 3125667271 | +1 312-566-7271 Illinois U.S.A.
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  • 3125667273 | +1 312-566-7273 Illinois U.S.A.
  • 3125667274 | +1 312-566-7274 Illinois U.S.A.
  • 3125667275 | +1 312-566-7275 Illinois U.S.A.
  • 3125667276 | +1 312-566-7276 Illinois U.S.A.
  • 3125667277 | +1 312-566-7277 Illinois U.S.A.
  • 3125667278 | +1 312-566-7278 Illinois U.S.A.
  • 3125667279 | +1 312-566-7279 Illinois U.S.A.
  • 3125667280 | +1 312-566-7280 Illinois U.S.A.
  • 3125667281 | +1 312-566-7281 Illinois U.S.A.
  • 3125667282 | +1 312-566-7282 Illinois U.S.A.
  • 3125667283 | +1 312-566-7283 Illinois U.S.A.
  • 3125667284 | +1 312-566-7284 Illinois U.S.A.
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  • 3125667286 | +1 312-566-7286 Illinois U.S.A.
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  • 3125667288 | +1 312-566-7288 Illinois U.S.A.
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  • 3125667297 | +1 312-566-7297 Illinois U.S.A.
  • 3125667298 | +1 312-566-7298 Illinois U.S.A.
  • 3125667299 | +1 312-566-7299 Illinois U.S.A.