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).

  • 3124271300 | +1 312-427-1300 Illinois U.S.A.
  • 3124271301 | +1 312-427-1301 Illinois U.S.A.
  • 3124271302 | +1 312-427-1302 Illinois U.S.A.
  • 3124271303 | +1 312-427-1303 Illinois U.S.A.
  • 3124271304 | +1 312-427-1304 Illinois U.S.A.
  • 3124271305 | +1 312-427-1305 Illinois U.S.A.
  • 3124271306 | +1 312-427-1306 Illinois U.S.A.
  • 3124271307 | +1 312-427-1307 Illinois U.S.A.
  • 3124271308 | +1 312-427-1308 Illinois U.S.A.
  • 3124271309 | +1 312-427-1309 Illinois U.S.A.
  • 3124271310 | +1 312-427-1310 Illinois U.S.A.
  • 3124271311 | +1 312-427-1311 Illinois U.S.A.
  • 3124271312 | +1 312-427-1312 Illinois U.S.A.
  • 3124271313 | +1 312-427-1313 Illinois U.S.A.
  • 3124271314 | +1 312-427-1314 Illinois U.S.A.
  • 3124271315 | +1 312-427-1315 Illinois U.S.A.
  • 3124271316 | +1 312-427-1316 Illinois U.S.A.
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  • 3124271318 | +1 312-427-1318 Illinois U.S.A.
  • 3124271319 | +1 312-427-1319 Illinois U.S.A.
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  • 3124271322 | +1 312-427-1322 Illinois U.S.A.
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  • 3124271347 | +1 312-427-1347 Illinois U.S.A.
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  • 3124271350 | +1 312-427-1350 Illinois U.S.A.
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  • 3124271353 | +1 312-427-1353 Illinois U.S.A.
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  • 3124271355 | +1 312-427-1355 Illinois U.S.A.
  • 3124271356 | +1 312-427-1356 Illinois U.S.A.
  • 3124271357 | +1 312-427-1357 Illinois U.S.A.
  • 3124271358 | +1 312-427-1358 Illinois U.S.A.
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  • 3124271360 | +1 312-427-1360 Illinois U.S.A.
  • 3124271361 | +1 312-427-1361 Illinois U.S.A.
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  • 3124271363 | +1 312-427-1363 Illinois U.S.A.
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  • 3124271366 | +1 312-427-1366 Illinois U.S.A.
  • 3124271367 | +1 312-427-1367 Illinois U.S.A.
  • 3124271368 | +1 312-427-1368 Illinois U.S.A.
  • 3124271369 | +1 312-427-1369 Illinois U.S.A.
  • 3124271370 | +1 312-427-1370 Illinois U.S.A.
  • 3124271371 | +1 312-427-1371 Illinois U.S.A.
  • 3124271372 | +1 312-427-1372 Illinois U.S.A.
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  • 3124271376 | +1 312-427-1376 Illinois U.S.A.
  • 3124271377 | +1 312-427-1377 Illinois U.S.A.
  • 3124271378 | +1 312-427-1378 Illinois U.S.A.
  • 3124271379 | +1 312-427-1379 Illinois U.S.A.
  • 3124271380 | +1 312-427-1380 Illinois U.S.A.
  • 3124271381 | +1 312-427-1381 Illinois U.S.A.
  • 3124271382 | +1 312-427-1382 Illinois U.S.A.
  • 3124271383 | +1 312-427-1383 Illinois U.S.A.
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  • 3124271388 | +1 312-427-1388 Illinois U.S.A.
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  • 3124271391 | +1 312-427-1391 Illinois U.S.A.
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  • 3124271398 | +1 312-427-1398 Illinois U.S.A.
  • 3124271399 | +1 312-427-1399 Illinois U.S.A.