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).

  • 3128361300 | +1 312-836-1300 Illinois U.S.A.
  • 3128361301 | +1 312-836-1301 Illinois U.S.A.
  • 3128361302 | +1 312-836-1302 Illinois U.S.A.
  • 3128361303 | +1 312-836-1303 Illinois U.S.A.
  • 3128361304 | +1 312-836-1304 Illinois U.S.A.
  • 3128361305 | +1 312-836-1305 Illinois U.S.A.
  • 3128361306 | +1 312-836-1306 Illinois U.S.A.
  • 3128361307 | +1 312-836-1307 Illinois U.S.A.
  • 3128361308 | +1 312-836-1308 Illinois U.S.A.
  • 3128361309 | +1 312-836-1309 Illinois U.S.A.
  • 3128361310 | +1 312-836-1310 Illinois U.S.A.
  • 3128361311 | +1 312-836-1311 Illinois U.S.A.
  • 3128361312 | +1 312-836-1312 Illinois U.S.A.
  • 3128361313 | +1 312-836-1313 Illinois U.S.A.
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  • 3128361318 | +1 312-836-1318 Illinois U.S.A.
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  • 3128361321 | +1 312-836-1321 Illinois U.S.A.
  • 3128361322 | +1 312-836-1322 Illinois U.S.A.
  • 3128361323 | +1 312-836-1323 Illinois U.S.A.
  • 3128361324 | +1 312-836-1324 Illinois U.S.A.
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  • 3128361331 | +1 312-836-1331 Illinois U.S.A.
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  • 3128361348 | +1 312-836-1348 Illinois U.S.A.
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  • 3128361351 | +1 312-836-1351 Illinois U.S.A.
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  • 3128361353 | +1 312-836-1353 Illinois U.S.A.
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  • 3128361364 | +1 312-836-1364 Illinois U.S.A.
  • 3128361365 | +1 312-836-1365 Illinois U.S.A.
  • 3128361366 | +1 312-836-1366 Illinois U.S.A.
  • 3128361367 | +1 312-836-1367 Illinois U.S.A.
  • 3128361368 | +1 312-836-1368 Illinois U.S.A.
  • 3128361369 | +1 312-836-1369 Illinois U.S.A.
  • 3128361370 | +1 312-836-1370 Illinois U.S.A.
  • 3128361371 | +1 312-836-1371 Illinois U.S.A.
  • 3128361372 | +1 312-836-1372 Illinois U.S.A.
  • 3128361373 | +1 312-836-1373 Illinois U.S.A.
  • 3128361374 | +1 312-836-1374 Illinois U.S.A.
  • 3128361375 | +1 312-836-1375 Illinois U.S.A.
  • 3128361376 | +1 312-836-1376 Illinois U.S.A.
  • 3128361377 | +1 312-836-1377 Illinois U.S.A.
  • 3128361378 | +1 312-836-1378 Illinois U.S.A.
  • 3128361379 | +1 312-836-1379 Illinois U.S.A.
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  • 3128361394 | +1 312-836-1394 Illinois U.S.A.
  • 3128361395 | +1 312-836-1395 Illinois U.S.A.
  • 3128361396 | +1 312-836-1396 Illinois U.S.A.
  • 3128361397 | +1 312-836-1397 Illinois U.S.A.
  • 3128361398 | +1 312-836-1398 Illinois U.S.A.
  • 3128361399 | +1 312-836-1399 Illinois U.S.A.