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).

  • 3127941300 | +1 312-794-1300 Illinois U.S.A.
  • 3127941301 | +1 312-794-1301 Illinois U.S.A.
  • 3127941302 | +1 312-794-1302 Illinois U.S.A.
  • 3127941303 | +1 312-794-1303 Illinois U.S.A.
  • 3127941304 | +1 312-794-1304 Illinois U.S.A.
  • 3127941305 | +1 312-794-1305 Illinois U.S.A.
  • 3127941306 | +1 312-794-1306 Illinois U.S.A.
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  • 3127941308 | +1 312-794-1308 Illinois U.S.A.
  • 3127941309 | +1 312-794-1309 Illinois U.S.A.
  • 3127941310 | +1 312-794-1310 Illinois U.S.A.
  • 3127941311 | +1 312-794-1311 Illinois U.S.A.
  • 3127941312 | +1 312-794-1312 Illinois U.S.A.
  • 3127941313 | +1 312-794-1313 Illinois U.S.A.
  • 3127941314 | +1 312-794-1314 Illinois U.S.A.
  • 3127941315 | +1 312-794-1315 Illinois U.S.A.
  • 3127941316 | +1 312-794-1316 Illinois U.S.A.
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  • 3127941318 | +1 312-794-1318 Illinois U.S.A.
  • 3127941319 | +1 312-794-1319 Illinois U.S.A.
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  • 3127941335 | +1 312-794-1335 Illinois U.S.A.
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  • 3127941349 | +1 312-794-1349 Illinois U.S.A.
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  • 3127941351 | +1 312-794-1351 Illinois U.S.A.
  • 3127941352 | +1 312-794-1352 Illinois U.S.A.
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  • 3127941355 | +1 312-794-1355 Illinois U.S.A.
  • 3127941356 | +1 312-794-1356 Illinois U.S.A.
  • 3127941357 | +1 312-794-1357 Illinois U.S.A.
  • 3127941358 | +1 312-794-1358 Illinois U.S.A.
  • 3127941359 | +1 312-794-1359 Illinois U.S.A.
  • 3127941360 | +1 312-794-1360 Illinois U.S.A.
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  • 3127941362 | +1 312-794-1362 Illinois U.S.A.
  • 3127941363 | +1 312-794-1363 Illinois U.S.A.
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  • 3127941369 | +1 312-794-1369 Illinois U.S.A.
  • 3127941370 | +1 312-794-1370 Illinois U.S.A.
  • 3127941371 | +1 312-794-1371 Illinois U.S.A.
  • 3127941372 | +1 312-794-1372 Illinois U.S.A.
  • 3127941373 | +1 312-794-1373 Illinois U.S.A.
  • 3127941374 | +1 312-794-1374 Illinois U.S.A.
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  • 3127941376 | +1 312-794-1376 Illinois U.S.A.
  • 3127941377 | +1 312-794-1377 Illinois U.S.A.
  • 3127941378 | +1 312-794-1378 Illinois U.S.A.
  • 3127941379 | +1 312-794-1379 Illinois U.S.A.
  • 3127941380 | +1 312-794-1380 Illinois U.S.A.
  • 3127941381 | +1 312-794-1381 Illinois U.S.A.
  • 3127941382 | +1 312-794-1382 Illinois U.S.A.
  • 3127941383 | +1 312-794-1383 Illinois U.S.A.
  • 3127941384 | +1 312-794-1384 Illinois U.S.A.
  • 3127941385 | +1 312-794-1385 Illinois U.S.A.
  • 3127941386 | +1 312-794-1386 Illinois U.S.A.
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  • 3127941395 | +1 312-794-1395 Illinois U.S.A.
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  • 3127941399 | +1 312-794-1399 Illinois U.S.A.