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).

  • 3128503400 | +1 312-850-3400 Illinois U.S.A.
  • 3128503401 | +1 312-850-3401 Illinois U.S.A.
  • 3128503402 | +1 312-850-3402 Illinois U.S.A.
  • 3128503403 | +1 312-850-3403 Illinois U.S.A.
  • 3128503404 | +1 312-850-3404 Illinois U.S.A.
  • 3128503405 | +1 312-850-3405 Illinois U.S.A.
  • 3128503406 | +1 312-850-3406 Illinois U.S.A.
  • 3128503407 | +1 312-850-3407 Illinois U.S.A.
  • 3128503408 | +1 312-850-3408 Illinois U.S.A.
  • 3128503409 | +1 312-850-3409 Illinois U.S.A.
  • 3128503410 | +1 312-850-3410 Illinois U.S.A.
  • 3128503411 | +1 312-850-3411 Illinois U.S.A.
  • 3128503412 | +1 312-850-3412 Illinois U.S.A.
  • 3128503413 | +1 312-850-3413 Illinois U.S.A.
  • 3128503414 | +1 312-850-3414 Illinois U.S.A.
  • 3128503415 | +1 312-850-3415 Illinois U.S.A.
  • 3128503416 | +1 312-850-3416 Illinois U.S.A.
  • 3128503417 | +1 312-850-3417 Illinois U.S.A.
  • 3128503418 | +1 312-850-3418 Illinois U.S.A.
  • 3128503419 | +1 312-850-3419 Illinois U.S.A.
  • 3128503420 | +1 312-850-3420 Illinois U.S.A.
  • 3128503421 | +1 312-850-3421 Illinois U.S.A.
  • 3128503422 | +1 312-850-3422 Illinois U.S.A.
  • 3128503423 | +1 312-850-3423 Illinois U.S.A.
  • 3128503424 | +1 312-850-3424 Illinois U.S.A.
  • 3128503425 | +1 312-850-3425 Illinois U.S.A.
  • 3128503426 | +1 312-850-3426 Illinois U.S.A.
  • 3128503427 | +1 312-850-3427 Illinois U.S.A.
  • 3128503428 | +1 312-850-3428 Illinois U.S.A.
  • 3128503429 | +1 312-850-3429 Illinois U.S.A.
  • 3128503430 | +1 312-850-3430 Illinois U.S.A.
  • 3128503431 | +1 312-850-3431 Illinois U.S.A.
  • 3128503432 | +1 312-850-3432 Illinois U.S.A.
  • 3128503433 | +1 312-850-3433 Illinois U.S.A.
  • 3128503434 | +1 312-850-3434 Illinois U.S.A.
  • 3128503435 | +1 312-850-3435 Illinois U.S.A.
  • 3128503436 | +1 312-850-3436 Illinois U.S.A.
  • 3128503437 | +1 312-850-3437 Illinois U.S.A.
  • 3128503438 | +1 312-850-3438 Illinois U.S.A.
  • 3128503439 | +1 312-850-3439 Illinois U.S.A.
  • 3128503440 | +1 312-850-3440 Illinois U.S.A.
  • 3128503441 | +1 312-850-3441 Illinois U.S.A.
  • 3128503442 | +1 312-850-3442 Illinois U.S.A.
  • 3128503443 | +1 312-850-3443 Illinois U.S.A.
  • 3128503444 | +1 312-850-3444 Illinois U.S.A.
  • 3128503445 | +1 312-850-3445 Illinois U.S.A.
  • 3128503446 | +1 312-850-3446 Illinois U.S.A.
  • 3128503447 | +1 312-850-3447 Illinois U.S.A.
  • 3128503448 | +1 312-850-3448 Illinois U.S.A.
  • 3128503449 | +1 312-850-3449 Illinois U.S.A.
  • 3128503450 | +1 312-850-3450 Illinois U.S.A.
  • 3128503451 | +1 312-850-3451 Illinois U.S.A.
  • 3128503452 | +1 312-850-3452 Illinois U.S.A.
  • 3128503453 | +1 312-850-3453 Illinois U.S.A.
  • 3128503454 | +1 312-850-3454 Illinois U.S.A.
  • 3128503455 | +1 312-850-3455 Illinois U.S.A.
  • 3128503456 | +1 312-850-3456 Illinois U.S.A.
  • 3128503457 | +1 312-850-3457 Illinois U.S.A.
  • 3128503458 | +1 312-850-3458 Illinois U.S.A.
  • 3128503459 | +1 312-850-3459 Illinois U.S.A.
  • 3128503460 | +1 312-850-3460 Illinois U.S.A.
  • 3128503461 | +1 312-850-3461 Illinois U.S.A.
  • 3128503462 | +1 312-850-3462 Illinois U.S.A.
  • 3128503463 | +1 312-850-3463 Illinois U.S.A.
  • 3128503464 | +1 312-850-3464 Illinois U.S.A.
  • 3128503465 | +1 312-850-3465 Illinois U.S.A.
  • 3128503466 | +1 312-850-3466 Illinois U.S.A.
  • 3128503467 | +1 312-850-3467 Illinois U.S.A.
  • 3128503468 | +1 312-850-3468 Illinois U.S.A.
  • 3128503469 | +1 312-850-3469 Illinois U.S.A.
  • 3128503470 | +1 312-850-3470 Illinois U.S.A.
  • 3128503471 | +1 312-850-3471 Illinois U.S.A.
  • 3128503472 | +1 312-850-3472 Illinois U.S.A.
  • 3128503473 | +1 312-850-3473 Illinois U.S.A.
  • 3128503474 | +1 312-850-3474 Illinois U.S.A.
  • 3128503475 | +1 312-850-3475 Illinois U.S.A.
  • 3128503476 | +1 312-850-3476 Illinois U.S.A.
  • 3128503477 | +1 312-850-3477 Illinois U.S.A.
  • 3128503478 | +1 312-850-3478 Illinois U.S.A.
  • 3128503479 | +1 312-850-3479 Illinois U.S.A.
  • 3128503480 | +1 312-850-3480 Illinois U.S.A.
  • 3128503481 | +1 312-850-3481 Illinois U.S.A.
  • 3128503482 | +1 312-850-3482 Illinois U.S.A.
  • 3128503483 | +1 312-850-3483 Illinois U.S.A.
  • 3128503484 | +1 312-850-3484 Illinois U.S.A.
  • 3128503485 | +1 312-850-3485 Illinois U.S.A.
  • 3128503486 | +1 312-850-3486 Illinois U.S.A.
  • 3128503487 | +1 312-850-3487 Illinois U.S.A.
  • 3128503488 | +1 312-850-3488 Illinois U.S.A.
  • 3128503489 | +1 312-850-3489 Illinois U.S.A.
  • 3128503490 | +1 312-850-3490 Illinois U.S.A.
  • 3128503491 | +1 312-850-3491 Illinois U.S.A.
  • 3128503492 | +1 312-850-3492 Illinois U.S.A.
  • 3128503493 | +1 312-850-3493 Illinois U.S.A.
  • 3128503494 | +1 312-850-3494 Illinois U.S.A.
  • 3128503495 | +1 312-850-3495 Illinois U.S.A.
  • 3128503496 | +1 312-850-3496 Illinois U.S.A.
  • 3128503497 | +1 312-850-3497 Illinois U.S.A.
  • 3128503498 | +1 312-850-3498 Illinois U.S.A.
  • 3128503499 | +1 312-850-3499 Illinois U.S.A.