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).

  • 3128841300 | +1 312-884-1300 Illinois U.S.A.
  • 3128841301 | +1 312-884-1301 Illinois U.S.A.
  • 3128841302 | +1 312-884-1302 Illinois U.S.A.
  • 3128841303 | +1 312-884-1303 Illinois U.S.A.
  • 3128841304 | +1 312-884-1304 Illinois U.S.A.
  • 3128841305 | +1 312-884-1305 Illinois U.S.A.
  • 3128841306 | +1 312-884-1306 Illinois U.S.A.
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  • 3128841308 | +1 312-884-1308 Illinois U.S.A.
  • 3128841309 | +1 312-884-1309 Illinois U.S.A.
  • 3128841310 | +1 312-884-1310 Illinois U.S.A.
  • 3128841311 | +1 312-884-1311 Illinois U.S.A.
  • 3128841312 | +1 312-884-1312 Illinois U.S.A.
  • 3128841313 | +1 312-884-1313 Illinois U.S.A.
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  • 3128841316 | +1 312-884-1316 Illinois U.S.A.
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  • 3128841318 | +1 312-884-1318 Illinois U.S.A.
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  • 3128841323 | +1 312-884-1323 Illinois U.S.A.
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  • 3128841335 | +1 312-884-1335 Illinois U.S.A.
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  • 3128841340 | +1 312-884-1340 Illinois U.S.A.
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  • 3128841349 | +1 312-884-1349 Illinois U.S.A.
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  • 3128841351 | +1 312-884-1351 Illinois U.S.A.
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  • 3128841356 | +1 312-884-1356 Illinois U.S.A.
  • 3128841357 | +1 312-884-1357 Illinois U.S.A.
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  • 3128841359 | +1 312-884-1359 Illinois U.S.A.
  • 3128841360 | +1 312-884-1360 Illinois U.S.A.
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  • 3128841362 | +1 312-884-1362 Illinois U.S.A.
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  • 3128841369 | +1 312-884-1369 Illinois U.S.A.
  • 3128841370 | +1 312-884-1370 Illinois U.S.A.
  • 3128841371 | +1 312-884-1371 Illinois U.S.A.
  • 3128841372 | +1 312-884-1372 Illinois U.S.A.
  • 3128841373 | +1 312-884-1373 Illinois U.S.A.
  • 3128841374 | +1 312-884-1374 Illinois U.S.A.
  • 3128841375 | +1 312-884-1375 Illinois U.S.A.
  • 3128841376 | +1 312-884-1376 Illinois U.S.A.
  • 3128841377 | +1 312-884-1377 Illinois U.S.A.
  • 3128841378 | +1 312-884-1378 Illinois U.S.A.
  • 3128841379 | +1 312-884-1379 Illinois U.S.A.
  • 3128841380 | +1 312-884-1380 Illinois U.S.A.
  • 3128841381 | +1 312-884-1381 Illinois U.S.A.
  • 3128841382 | +1 312-884-1382 Illinois U.S.A.
  • 3128841383 | +1 312-884-1383 Illinois U.S.A.
  • 3128841384 | +1 312-884-1384 Illinois U.S.A.
  • 3128841385 | +1 312-884-1385 Illinois U.S.A.
  • 3128841386 | +1 312-884-1386 Illinois U.S.A.
  • 3128841387 | +1 312-884-1387 Illinois U.S.A.
  • 3128841388 | +1 312-884-1388 Illinois U.S.A.
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  • 3128841395 | +1 312-884-1395 Illinois U.S.A.
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  • 3128841399 | +1 312-884-1399 Illinois U.S.A.