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).

  • 3129888400 | +1 312-988-8400 Illinois U.S.A.
  • 3129888401 | +1 312-988-8401 Illinois U.S.A.
  • 3129888402 | +1 312-988-8402 Illinois U.S.A.
  • 3129888403 | +1 312-988-8403 Illinois U.S.A.
  • 3129888404 | +1 312-988-8404 Illinois U.S.A.
  • 3129888405 | +1 312-988-8405 Illinois U.S.A.
  • 3129888406 | +1 312-988-8406 Illinois U.S.A.
  • 3129888407 | +1 312-988-8407 Illinois U.S.A.
  • 3129888408 | +1 312-988-8408 Illinois U.S.A.
  • 3129888409 | +1 312-988-8409 Illinois U.S.A.
  • 3129888410 | +1 312-988-8410 Illinois U.S.A.
  • 3129888411 | +1 312-988-8411 Illinois U.S.A.
  • 3129888412 | +1 312-988-8412 Illinois U.S.A.
  • 3129888413 | +1 312-988-8413 Illinois U.S.A.
  • 3129888414 | +1 312-988-8414 Illinois U.S.A.
  • 3129888415 | +1 312-988-8415 Illinois U.S.A.
  • 3129888416 | +1 312-988-8416 Illinois U.S.A.
  • 3129888417 | +1 312-988-8417 Illinois U.S.A.
  • 3129888418 | +1 312-988-8418 Illinois U.S.A.
  • 3129888419 | +1 312-988-8419 Illinois U.S.A.
  • 3129888420 | +1 312-988-8420 Illinois U.S.A.
  • 3129888421 | +1 312-988-8421 Illinois U.S.A.
  • 3129888422 | +1 312-988-8422 Illinois U.S.A.
  • 3129888423 | +1 312-988-8423 Illinois U.S.A.
  • 3129888424 | +1 312-988-8424 Illinois U.S.A.
  • 3129888425 | +1 312-988-8425 Illinois U.S.A.
  • 3129888426 | +1 312-988-8426 Illinois U.S.A.
  • 3129888427 | +1 312-988-8427 Illinois U.S.A.
  • 3129888428 | +1 312-988-8428 Illinois U.S.A.
  • 3129888429 | +1 312-988-8429 Illinois U.S.A.
  • 3129888430 | +1 312-988-8430 Illinois U.S.A.
  • 3129888431 | +1 312-988-8431 Illinois U.S.A.
  • 3129888432 | +1 312-988-8432 Illinois U.S.A.
  • 3129888433 | +1 312-988-8433 Illinois U.S.A.
  • 3129888434 | +1 312-988-8434 Illinois U.S.A.
  • 3129888435 | +1 312-988-8435 Illinois U.S.A.
  • 3129888436 | +1 312-988-8436 Illinois U.S.A.
  • 3129888437 | +1 312-988-8437 Illinois U.S.A.
  • 3129888438 | +1 312-988-8438 Illinois U.S.A.
  • 3129888439 | +1 312-988-8439 Illinois U.S.A.
  • 3129888440 | +1 312-988-8440 Illinois U.S.A.
  • 3129888441 | +1 312-988-8441 Illinois U.S.A.
  • 3129888442 | +1 312-988-8442 Illinois U.S.A.
  • 3129888443 | +1 312-988-8443 Illinois U.S.A.
  • 3129888444 | +1 312-988-8444 Illinois U.S.A.
  • 3129888445 | +1 312-988-8445 Illinois U.S.A.
  • 3129888446 | +1 312-988-8446 Illinois U.S.A.
  • 3129888447 | +1 312-988-8447 Illinois U.S.A.
  • 3129888448 | +1 312-988-8448 Illinois U.S.A.
  • 3129888449 | +1 312-988-8449 Illinois U.S.A.
  • 3129888450 | +1 312-988-8450 Illinois U.S.A.
  • 3129888451 | +1 312-988-8451 Illinois U.S.A.
  • 3129888452 | +1 312-988-8452 Illinois U.S.A.
  • 3129888453 | +1 312-988-8453 Illinois U.S.A.
  • 3129888454 | +1 312-988-8454 Illinois U.S.A.
  • 3129888455 | +1 312-988-8455 Illinois U.S.A.
  • 3129888456 | +1 312-988-8456 Illinois U.S.A.
  • 3129888457 | +1 312-988-8457 Illinois U.S.A.
  • 3129888458 | +1 312-988-8458 Illinois U.S.A.
  • 3129888459 | +1 312-988-8459 Illinois U.S.A.
  • 3129888460 | +1 312-988-8460 Illinois U.S.A.
  • 3129888461 | +1 312-988-8461 Illinois U.S.A.
  • 3129888462 | +1 312-988-8462 Illinois U.S.A.
  • 3129888463 | +1 312-988-8463 Illinois U.S.A.
  • 3129888464 | +1 312-988-8464 Illinois U.S.A.
  • 3129888465 | +1 312-988-8465 Illinois U.S.A.
  • 3129888466 | +1 312-988-8466 Illinois U.S.A.
  • 3129888467 | +1 312-988-8467 Illinois U.S.A.
  • 3129888468 | +1 312-988-8468 Illinois U.S.A.
  • 3129888469 | +1 312-988-8469 Illinois U.S.A.
  • 3129888470 | +1 312-988-8470 Illinois U.S.A.
  • 3129888471 | +1 312-988-8471 Illinois U.S.A.
  • 3129888472 | +1 312-988-8472 Illinois U.S.A.
  • 3129888473 | +1 312-988-8473 Illinois U.S.A.
  • 3129888474 | +1 312-988-8474 Illinois U.S.A.
  • 3129888475 | +1 312-988-8475 Illinois U.S.A.
  • 3129888476 | +1 312-988-8476 Illinois U.S.A.
  • 3129888477 | +1 312-988-8477 Illinois U.S.A.
  • 3129888478 | +1 312-988-8478 Illinois U.S.A.
  • 3129888479 | +1 312-988-8479 Illinois U.S.A.
  • 3129888480 | +1 312-988-8480 Illinois U.S.A.
  • 3129888481 | +1 312-988-8481 Illinois U.S.A.
  • 3129888482 | +1 312-988-8482 Illinois U.S.A.
  • 3129888483 | +1 312-988-8483 Illinois U.S.A.
  • 3129888484 | +1 312-988-8484 Illinois U.S.A.
  • 3129888485 | +1 312-988-8485 Illinois U.S.A.
  • 3129888486 | +1 312-988-8486 Illinois U.S.A.
  • 3129888487 | +1 312-988-8487 Illinois U.S.A.
  • 3129888488 | +1 312-988-8488 Illinois U.S.A.
  • 3129888489 | +1 312-988-8489 Illinois U.S.A.
  • 3129888490 | +1 312-988-8490 Illinois U.S.A.
  • 3129888491 | +1 312-988-8491 Illinois U.S.A.
  • 3129888492 | +1 312-988-8492 Illinois U.S.A.
  • 3129888493 | +1 312-988-8493 Illinois U.S.A.
  • 3129888494 | +1 312-988-8494 Illinois U.S.A.
  • 3129888495 | +1 312-988-8495 Illinois U.S.A.
  • 3129888496 | +1 312-988-8496 Illinois U.S.A.
  • 3129888497 | +1 312-988-8497 Illinois U.S.A.
  • 3129888498 | +1 312-988-8498 Illinois U.S.A.
  • 3129888499 | +1 312-988-8499 Illinois U.S.A.