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).

  • 3122987400 | +1 312-298-7400 Illinois U.S.A.
  • 3122987401 | +1 312-298-7401 Illinois U.S.A.
  • 3122987402 | +1 312-298-7402 Illinois U.S.A.
  • 3122987403 | +1 312-298-7403 Illinois U.S.A.
  • 3122987404 | +1 312-298-7404 Illinois U.S.A.
  • 3122987405 | +1 312-298-7405 Illinois U.S.A.
  • 3122987406 | +1 312-298-7406 Illinois U.S.A.
  • 3122987407 | +1 312-298-7407 Illinois U.S.A.
  • 3122987408 | +1 312-298-7408 Illinois U.S.A.
  • 3122987409 | +1 312-298-7409 Illinois U.S.A.
  • 3122987410 | +1 312-298-7410 Illinois U.S.A.
  • 3122987411 | +1 312-298-7411 Illinois U.S.A.
  • 3122987412 | +1 312-298-7412 Illinois U.S.A.
  • 3122987413 | +1 312-298-7413 Illinois U.S.A.
  • 3122987414 | +1 312-298-7414 Illinois U.S.A.
  • 3122987415 | +1 312-298-7415 Illinois U.S.A.
  • 3122987416 | +1 312-298-7416 Illinois U.S.A.
  • 3122987417 | +1 312-298-7417 Illinois U.S.A.
  • 3122987418 | +1 312-298-7418 Illinois U.S.A.
  • 3122987419 | +1 312-298-7419 Illinois U.S.A.
  • 3122987420 | +1 312-298-7420 Illinois U.S.A.
  • 3122987421 | +1 312-298-7421 Illinois U.S.A.
  • 3122987422 | +1 312-298-7422 Illinois U.S.A.
  • 3122987423 | +1 312-298-7423 Illinois U.S.A.
  • 3122987424 | +1 312-298-7424 Illinois U.S.A.
  • 3122987425 | +1 312-298-7425 Illinois U.S.A.
  • 3122987426 | +1 312-298-7426 Illinois U.S.A.
  • 3122987427 | +1 312-298-7427 Illinois U.S.A.
  • 3122987428 | +1 312-298-7428 Illinois U.S.A.
  • 3122987429 | +1 312-298-7429 Illinois U.S.A.
  • 3122987430 | +1 312-298-7430 Illinois U.S.A.
  • 3122987431 | +1 312-298-7431 Illinois U.S.A.
  • 3122987432 | +1 312-298-7432 Illinois U.S.A.
  • 3122987433 | +1 312-298-7433 Illinois U.S.A.
  • 3122987434 | +1 312-298-7434 Illinois U.S.A.
  • 3122987435 | +1 312-298-7435 Illinois U.S.A.
  • 3122987436 | +1 312-298-7436 Illinois U.S.A.
  • 3122987437 | +1 312-298-7437 Illinois U.S.A.
  • 3122987438 | +1 312-298-7438 Illinois U.S.A.
  • 3122987439 | +1 312-298-7439 Illinois U.S.A.
  • 3122987440 | +1 312-298-7440 Illinois U.S.A.
  • 3122987441 | +1 312-298-7441 Illinois U.S.A.
  • 3122987442 | +1 312-298-7442 Illinois U.S.A.
  • 3122987443 | +1 312-298-7443 Illinois U.S.A.
  • 3122987444 | +1 312-298-7444 Illinois U.S.A.
  • 3122987445 | +1 312-298-7445 Illinois U.S.A.
  • 3122987446 | +1 312-298-7446 Illinois U.S.A.
  • 3122987447 | +1 312-298-7447 Illinois U.S.A.
  • 3122987448 | +1 312-298-7448 Illinois U.S.A.
  • 3122987449 | +1 312-298-7449 Illinois U.S.A.
  • 3122987450 | +1 312-298-7450 Illinois U.S.A.
  • 3122987451 | +1 312-298-7451 Illinois U.S.A.
  • 3122987452 | +1 312-298-7452 Illinois U.S.A.
  • 3122987453 | +1 312-298-7453 Illinois U.S.A.
  • 3122987454 | +1 312-298-7454 Illinois U.S.A.
  • 3122987455 | +1 312-298-7455 Illinois U.S.A.
  • 3122987456 | +1 312-298-7456 Illinois U.S.A.
  • 3122987457 | +1 312-298-7457 Illinois U.S.A.
  • 3122987458 | +1 312-298-7458 Illinois U.S.A.
  • 3122987459 | +1 312-298-7459 Illinois U.S.A.
  • 3122987460 | +1 312-298-7460 Illinois U.S.A.
  • 3122987461 | +1 312-298-7461 Illinois U.S.A.
  • 3122987462 | +1 312-298-7462 Illinois U.S.A.
  • 3122987463 | +1 312-298-7463 Illinois U.S.A.
  • 3122987464 | +1 312-298-7464 Illinois U.S.A.
  • 3122987465 | +1 312-298-7465 Illinois U.S.A.
  • 3122987466 | +1 312-298-7466 Illinois U.S.A.
  • 3122987467 | +1 312-298-7467 Illinois U.S.A.
  • 3122987468 | +1 312-298-7468 Illinois U.S.A.
  • 3122987469 | +1 312-298-7469 Illinois U.S.A.
  • 3122987470 | +1 312-298-7470 Illinois U.S.A.
  • 3122987471 | +1 312-298-7471 Illinois U.S.A.
  • 3122987472 | +1 312-298-7472 Illinois U.S.A.
  • 3122987473 | +1 312-298-7473 Illinois U.S.A.
  • 3122987474 | +1 312-298-7474 Illinois U.S.A.
  • 3122987475 | +1 312-298-7475 Illinois U.S.A.
  • 3122987476 | +1 312-298-7476 Illinois U.S.A.
  • 3122987477 | +1 312-298-7477 Illinois U.S.A.
  • 3122987478 | +1 312-298-7478 Illinois U.S.A.
  • 3122987479 | +1 312-298-7479 Illinois U.S.A.
  • 3122987480 | +1 312-298-7480 Illinois U.S.A.
  • 3122987481 | +1 312-298-7481 Illinois U.S.A.
  • 3122987482 | +1 312-298-7482 Illinois U.S.A.
  • 3122987483 | +1 312-298-7483 Illinois U.S.A.
  • 3122987484 | +1 312-298-7484 Illinois U.S.A.
  • 3122987485 | +1 312-298-7485 Illinois U.S.A.
  • 3122987486 | +1 312-298-7486 Illinois U.S.A.
  • 3122987487 | +1 312-298-7487 Illinois U.S.A.
  • 3122987488 | +1 312-298-7488 Illinois U.S.A.
  • 3122987489 | +1 312-298-7489 Illinois U.S.A.
  • 3122987490 | +1 312-298-7490 Illinois U.S.A.
  • 3122987491 | +1 312-298-7491 Illinois U.S.A.
  • 3122987492 | +1 312-298-7492 Illinois U.S.A.
  • 3122987493 | +1 312-298-7493 Illinois U.S.A.
  • 3122987494 | +1 312-298-7494 Illinois U.S.A.
  • 3122987495 | +1 312-298-7495 Illinois U.S.A.
  • 3122987496 | +1 312-298-7496 Illinois U.S.A.
  • 3122987497 | +1 312-298-7497 Illinois U.S.A.
  • 3122987498 | +1 312-298-7498 Illinois U.S.A.
  • 3122987499 | +1 312-298-7499 Illinois U.S.A.