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).

  • 3123373400 | +1 312-337-3400 Illinois U.S.A.
  • 3123373401 | +1 312-337-3401 Illinois U.S.A.
  • 3123373402 | +1 312-337-3402 Illinois U.S.A.
  • 3123373403 | +1 312-337-3403 Illinois U.S.A.
  • 3123373404 | +1 312-337-3404 Illinois U.S.A.
  • 3123373405 | +1 312-337-3405 Illinois U.S.A.
  • 3123373406 | +1 312-337-3406 Illinois U.S.A.
  • 3123373407 | +1 312-337-3407 Illinois U.S.A.
  • 3123373408 | +1 312-337-3408 Illinois U.S.A.
  • 3123373409 | +1 312-337-3409 Illinois U.S.A.
  • 3123373410 | +1 312-337-3410 Illinois U.S.A.
  • 3123373411 | +1 312-337-3411 Illinois U.S.A.
  • 3123373412 | +1 312-337-3412 Illinois U.S.A.
  • 3123373413 | +1 312-337-3413 Illinois U.S.A.
  • 3123373414 | +1 312-337-3414 Illinois U.S.A.
  • 3123373415 | +1 312-337-3415 Illinois U.S.A.
  • 3123373416 | +1 312-337-3416 Illinois U.S.A.
  • 3123373417 | +1 312-337-3417 Illinois U.S.A.
  • 3123373418 | +1 312-337-3418 Illinois U.S.A.
  • 3123373419 | +1 312-337-3419 Illinois U.S.A.
  • 3123373420 | +1 312-337-3420 Illinois U.S.A.
  • 3123373421 | +1 312-337-3421 Illinois U.S.A.
  • 3123373422 | +1 312-337-3422 Illinois U.S.A.
  • 3123373423 | +1 312-337-3423 Illinois U.S.A.
  • 3123373424 | +1 312-337-3424 Illinois U.S.A.
  • 3123373425 | +1 312-337-3425 Illinois U.S.A.
  • 3123373426 | +1 312-337-3426 Illinois U.S.A.
  • 3123373427 | +1 312-337-3427 Illinois U.S.A.
  • 3123373428 | +1 312-337-3428 Illinois U.S.A.
  • 3123373429 | +1 312-337-3429 Illinois U.S.A.
  • 3123373430 | +1 312-337-3430 Illinois U.S.A.
  • 3123373431 | +1 312-337-3431 Illinois U.S.A.
  • 3123373432 | +1 312-337-3432 Illinois U.S.A.
  • 3123373433 | +1 312-337-3433 Illinois U.S.A.
  • 3123373434 | +1 312-337-3434 Illinois U.S.A.
  • 3123373435 | +1 312-337-3435 Illinois U.S.A.
  • 3123373436 | +1 312-337-3436 Illinois U.S.A.
  • 3123373437 | +1 312-337-3437 Illinois U.S.A.
  • 3123373438 | +1 312-337-3438 Illinois U.S.A.
  • 3123373439 | +1 312-337-3439 Illinois U.S.A.
  • 3123373440 | +1 312-337-3440 Illinois U.S.A.
  • 3123373441 | +1 312-337-3441 Illinois U.S.A.
  • 3123373442 | +1 312-337-3442 Illinois U.S.A.
  • 3123373443 | +1 312-337-3443 Illinois U.S.A.
  • 3123373444 | +1 312-337-3444 Illinois U.S.A.
  • 3123373445 | +1 312-337-3445 Illinois U.S.A.
  • 3123373446 | +1 312-337-3446 Illinois U.S.A.
  • 3123373447 | +1 312-337-3447 Illinois U.S.A.
  • 3123373448 | +1 312-337-3448 Illinois U.S.A.
  • 3123373449 | +1 312-337-3449 Illinois U.S.A.
  • 3123373450 | +1 312-337-3450 Illinois U.S.A.
  • 3123373451 | +1 312-337-3451 Illinois U.S.A.
  • 3123373452 | +1 312-337-3452 Illinois U.S.A.
  • 3123373453 | +1 312-337-3453 Illinois U.S.A.
  • 3123373454 | +1 312-337-3454 Illinois U.S.A.
  • 3123373455 | +1 312-337-3455 Illinois U.S.A.
  • 3123373456 | +1 312-337-3456 Illinois U.S.A.
  • 3123373457 | +1 312-337-3457 Illinois U.S.A.
  • 3123373458 | +1 312-337-3458 Illinois U.S.A.
  • 3123373459 | +1 312-337-3459 Illinois U.S.A.
  • 3123373460 | +1 312-337-3460 Illinois U.S.A.
  • 3123373461 | +1 312-337-3461 Illinois U.S.A.
  • 3123373462 | +1 312-337-3462 Illinois U.S.A.
  • 3123373463 | +1 312-337-3463 Illinois U.S.A.
  • 3123373464 | +1 312-337-3464 Illinois U.S.A.
  • 3123373465 | +1 312-337-3465 Illinois U.S.A.
  • 3123373466 | +1 312-337-3466 Illinois U.S.A.
  • 3123373467 | +1 312-337-3467 Illinois U.S.A.
  • 3123373468 | +1 312-337-3468 Illinois U.S.A.
  • 3123373469 | +1 312-337-3469 Illinois U.S.A.
  • 3123373470 | +1 312-337-3470 Illinois U.S.A.
  • 3123373471 | +1 312-337-3471 Illinois U.S.A.
  • 3123373472 | +1 312-337-3472 Illinois U.S.A.
  • 3123373473 | +1 312-337-3473 Illinois U.S.A.
  • 3123373474 | +1 312-337-3474 Illinois U.S.A.
  • 3123373475 | +1 312-337-3475 Illinois U.S.A.
  • 3123373476 | +1 312-337-3476 Illinois U.S.A.
  • 3123373477 | +1 312-337-3477 Illinois U.S.A.
  • 3123373478 | +1 312-337-3478 Illinois U.S.A.
  • 3123373479 | +1 312-337-3479 Illinois U.S.A.
  • 3123373480 | +1 312-337-3480 Illinois U.S.A.
  • 3123373481 | +1 312-337-3481 Illinois U.S.A.
  • 3123373482 | +1 312-337-3482 Illinois U.S.A.
  • 3123373483 | +1 312-337-3483 Illinois U.S.A.
  • 3123373484 | +1 312-337-3484 Illinois U.S.A.
  • 3123373485 | +1 312-337-3485 Illinois U.S.A.
  • 3123373486 | +1 312-337-3486 Illinois U.S.A.
  • 3123373487 | +1 312-337-3487 Illinois U.S.A.
  • 3123373488 | +1 312-337-3488 Illinois U.S.A.
  • 3123373489 | +1 312-337-3489 Illinois U.S.A.
  • 3123373490 | +1 312-337-3490 Illinois U.S.A.
  • 3123373491 | +1 312-337-3491 Illinois U.S.A.
  • 3123373492 | +1 312-337-3492 Illinois U.S.A.
  • 3123373493 | +1 312-337-3493 Illinois U.S.A.
  • 3123373494 | +1 312-337-3494 Illinois U.S.A.
  • 3123373495 | +1 312-337-3495 Illinois U.S.A.
  • 3123373496 | +1 312-337-3496 Illinois U.S.A.
  • 3123373497 | +1 312-337-3497 Illinois U.S.A.
  • 3123373498 | +1 312-337-3498 Illinois U.S.A.
  • 3123373499 | +1 312-337-3499 Illinois U.S.A.