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).

  • 3122631300 | +1 312-263-1300 Illinois U.S.A.
  • 3122631301 | +1 312-263-1301 Illinois U.S.A.
  • 3122631302 | +1 312-263-1302 Illinois U.S.A.
  • 3122631303 | +1 312-263-1303 Illinois U.S.A.
  • 3122631304 | +1 312-263-1304 Illinois U.S.A.
  • 3122631305 | +1 312-263-1305 Illinois U.S.A.
  • 3122631306 | +1 312-263-1306 Illinois U.S.A.
  • 3122631307 | +1 312-263-1307 Illinois U.S.A.
  • 3122631308 | +1 312-263-1308 Illinois U.S.A.
  • 3122631309 | +1 312-263-1309 Illinois U.S.A.
  • 3122631310 | +1 312-263-1310 Illinois U.S.A.
  • 3122631311 | +1 312-263-1311 Illinois U.S.A.
  • 3122631312 | +1 312-263-1312 Illinois U.S.A.
  • 3122631313 | +1 312-263-1313 Illinois U.S.A.
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  • 3122631315 | +1 312-263-1315 Illinois U.S.A.
  • 3122631316 | +1 312-263-1316 Illinois U.S.A.
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  • 3122631318 | +1 312-263-1318 Illinois U.S.A.
  • 3122631319 | +1 312-263-1319 Illinois U.S.A.
  • 3122631320 | +1 312-263-1320 Illinois U.S.A.
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  • 3122631322 | +1 312-263-1322 Illinois U.S.A.
  • 3122631323 | +1 312-263-1323 Illinois U.S.A.
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  • 3122631325 | +1 312-263-1325 Illinois U.S.A.
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  • 3122631330 | +1 312-263-1330 Illinois U.S.A.
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  • 3122631334 | +1 312-263-1334 Illinois U.S.A.
  • 3122631335 | +1 312-263-1335 Illinois U.S.A.
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  • 3122631337 | +1 312-263-1337 Illinois U.S.A.
  • 3122631338 | +1 312-263-1338 Illinois U.S.A.
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  • 3122631340 | +1 312-263-1340 Illinois U.S.A.
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  • 3122631348 | +1 312-263-1348 Illinois U.S.A.
  • 3122631349 | +1 312-263-1349 Illinois U.S.A.
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  • 3122631351 | +1 312-263-1351 Illinois U.S.A.
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  • 3122631355 | +1 312-263-1355 Illinois U.S.A.
  • 3122631356 | +1 312-263-1356 Illinois U.S.A.
  • 3122631357 | +1 312-263-1357 Illinois U.S.A.
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  • 3122631359 | +1 312-263-1359 Illinois U.S.A.
  • 3122631360 | +1 312-263-1360 Illinois U.S.A.
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  • 3122631363 | +1 312-263-1363 Illinois U.S.A.
  • 3122631364 | +1 312-263-1364 Illinois U.S.A.
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  • 3122631370 | +1 312-263-1370 Illinois U.S.A.
  • 3122631371 | +1 312-263-1371 Illinois U.S.A.
  • 3122631372 | +1 312-263-1372 Illinois U.S.A.
  • 3122631373 | +1 312-263-1373 Illinois U.S.A.
  • 3122631374 | +1 312-263-1374 Illinois U.S.A.
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  • 3122631376 | +1 312-263-1376 Illinois U.S.A.
  • 3122631377 | +1 312-263-1377 Illinois U.S.A.
  • 3122631378 | +1 312-263-1378 Illinois U.S.A.
  • 3122631379 | +1 312-263-1379 Illinois U.S.A.
  • 3122631380 | +1 312-263-1380 Illinois U.S.A.
  • 3122631381 | +1 312-263-1381 Illinois U.S.A.
  • 3122631382 | +1 312-263-1382 Illinois U.S.A.
  • 3122631383 | +1 312-263-1383 Illinois U.S.A.
  • 3122631384 | +1 312-263-1384 Illinois U.S.A.
  • 3122631385 | +1 312-263-1385 Illinois U.S.A.
  • 3122631386 | +1 312-263-1386 Illinois U.S.A.
  • 3122631387 | +1 312-263-1387 Illinois U.S.A.
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  • 3122631395 | +1 312-263-1395 Illinois U.S.A.
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  • 3122631399 | +1 312-263-1399 Illinois U.S.A.