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).

  • 3124721300 | +1 312-472-1300 Illinois U.S.A.
  • 3124721301 | +1 312-472-1301 Illinois U.S.A.
  • 3124721302 | +1 312-472-1302 Illinois U.S.A.
  • 3124721303 | +1 312-472-1303 Illinois U.S.A.
  • 3124721304 | +1 312-472-1304 Illinois U.S.A.
  • 3124721305 | +1 312-472-1305 Illinois U.S.A.
  • 3124721306 | +1 312-472-1306 Illinois U.S.A.
  • 3124721307 | +1 312-472-1307 Illinois U.S.A.
  • 3124721308 | +1 312-472-1308 Illinois U.S.A.
  • 3124721309 | +1 312-472-1309 Illinois U.S.A.
  • 3124721310 | +1 312-472-1310 Illinois U.S.A.
  • 3124721311 | +1 312-472-1311 Illinois U.S.A.
  • 3124721312 | +1 312-472-1312 Illinois U.S.A.
  • 3124721313 | +1 312-472-1313 Illinois U.S.A.
  • 3124721314 | +1 312-472-1314 Illinois U.S.A.
  • 3124721315 | +1 312-472-1315 Illinois U.S.A.
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  • 3124721318 | +1 312-472-1318 Illinois U.S.A.
  • 3124721319 | +1 312-472-1319 Illinois U.S.A.
  • 3124721320 | +1 312-472-1320 Illinois U.S.A.
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  • 3124721335 | +1 312-472-1335 Illinois U.S.A.
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  • 3124721340 | +1 312-472-1340 Illinois U.S.A.
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  • 3124721348 | +1 312-472-1348 Illinois U.S.A.
  • 3124721349 | +1 312-472-1349 Illinois U.S.A.
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  • 3124721351 | +1 312-472-1351 Illinois U.S.A.
  • 3124721352 | +1 312-472-1352 Illinois U.S.A.
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  • 3124721355 | +1 312-472-1355 Illinois U.S.A.
  • 3124721356 | +1 312-472-1356 Illinois U.S.A.
  • 3124721357 | +1 312-472-1357 Illinois U.S.A.
  • 3124721358 | +1 312-472-1358 Illinois U.S.A.
  • 3124721359 | +1 312-472-1359 Illinois U.S.A.
  • 3124721360 | +1 312-472-1360 Illinois U.S.A.
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  • 3124721362 | +1 312-472-1362 Illinois U.S.A.
  • 3124721363 | +1 312-472-1363 Illinois U.S.A.
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  • 3124721369 | +1 312-472-1369 Illinois U.S.A.
  • 3124721370 | +1 312-472-1370 Illinois U.S.A.
  • 3124721371 | +1 312-472-1371 Illinois U.S.A.
  • 3124721372 | +1 312-472-1372 Illinois U.S.A.
  • 3124721373 | +1 312-472-1373 Illinois U.S.A.
  • 3124721374 | +1 312-472-1374 Illinois U.S.A.
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  • 3124721376 | +1 312-472-1376 Illinois U.S.A.
  • 3124721377 | +1 312-472-1377 Illinois U.S.A.
  • 3124721378 | +1 312-472-1378 Illinois U.S.A.
  • 3124721379 | +1 312-472-1379 Illinois U.S.A.
  • 3124721380 | +1 312-472-1380 Illinois U.S.A.
  • 3124721381 | +1 312-472-1381 Illinois U.S.A.
  • 3124721382 | +1 312-472-1382 Illinois U.S.A.
  • 3124721383 | +1 312-472-1383 Illinois U.S.A.
  • 3124721384 | +1 312-472-1384 Illinois U.S.A.
  • 3124721385 | +1 312-472-1385 Illinois U.S.A.
  • 3124721386 | +1 312-472-1386 Illinois U.S.A.
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  • 3124721395 | +1 312-472-1395 Illinois U.S.A.
  • 3124721396 | +1 312-472-1396 Illinois U.S.A.
  • 3124721397 | +1 312-472-1397 Illinois U.S.A.
  • 3124721398 | +1 312-472-1398 Illinois U.S.A.
  • 3124721399 | +1 312-472-1399 Illinois U.S.A.