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).

  • 3129773400 | +1 312-977-3400 Illinois U.S.A.
  • 3129773401 | +1 312-977-3401 Illinois U.S.A.
  • 3129773402 | +1 312-977-3402 Illinois U.S.A.
  • 3129773403 | +1 312-977-3403 Illinois U.S.A.
  • 3129773404 | +1 312-977-3404 Illinois U.S.A.
  • 3129773405 | +1 312-977-3405 Illinois U.S.A.
  • 3129773406 | +1 312-977-3406 Illinois U.S.A.
  • 3129773407 | +1 312-977-3407 Illinois U.S.A.
  • 3129773408 | +1 312-977-3408 Illinois U.S.A.
  • 3129773409 | +1 312-977-3409 Illinois U.S.A.
  • 3129773410 | +1 312-977-3410 Illinois U.S.A.
  • 3129773411 | +1 312-977-3411 Illinois U.S.A.
  • 3129773412 | +1 312-977-3412 Illinois U.S.A.
  • 3129773413 | +1 312-977-3413 Illinois U.S.A.
  • 3129773414 | +1 312-977-3414 Illinois U.S.A.
  • 3129773415 | +1 312-977-3415 Illinois U.S.A.
  • 3129773416 | +1 312-977-3416 Illinois U.S.A.
  • 3129773417 | +1 312-977-3417 Illinois U.S.A.
  • 3129773418 | +1 312-977-3418 Illinois U.S.A.
  • 3129773419 | +1 312-977-3419 Illinois U.S.A.
  • 3129773420 | +1 312-977-3420 Illinois U.S.A.
  • 3129773421 | +1 312-977-3421 Illinois U.S.A.
  • 3129773422 | +1 312-977-3422 Illinois U.S.A.
  • 3129773423 | +1 312-977-3423 Illinois U.S.A.
  • 3129773424 | +1 312-977-3424 Illinois U.S.A.
  • 3129773425 | +1 312-977-3425 Illinois U.S.A.
  • 3129773426 | +1 312-977-3426 Illinois U.S.A.
  • 3129773427 | +1 312-977-3427 Illinois U.S.A.
  • 3129773428 | +1 312-977-3428 Illinois U.S.A.
  • 3129773429 | +1 312-977-3429 Illinois U.S.A.
  • 3129773430 | +1 312-977-3430 Illinois U.S.A.
  • 3129773431 | +1 312-977-3431 Illinois U.S.A.
  • 3129773432 | +1 312-977-3432 Illinois U.S.A.
  • 3129773433 | +1 312-977-3433 Illinois U.S.A.
  • 3129773434 | +1 312-977-3434 Illinois U.S.A.
  • 3129773435 | +1 312-977-3435 Illinois U.S.A.
  • 3129773436 | +1 312-977-3436 Illinois U.S.A.
  • 3129773437 | +1 312-977-3437 Illinois U.S.A.
  • 3129773438 | +1 312-977-3438 Illinois U.S.A.
  • 3129773439 | +1 312-977-3439 Illinois U.S.A.
  • 3129773440 | +1 312-977-3440 Illinois U.S.A.
  • 3129773441 | +1 312-977-3441 Illinois U.S.A.
  • 3129773442 | +1 312-977-3442 Illinois U.S.A.
  • 3129773443 | +1 312-977-3443 Illinois U.S.A.
  • 3129773444 | +1 312-977-3444 Illinois U.S.A.
  • 3129773445 | +1 312-977-3445 Illinois U.S.A.
  • 3129773446 | +1 312-977-3446 Illinois U.S.A.
  • 3129773447 | +1 312-977-3447 Illinois U.S.A.
  • 3129773448 | +1 312-977-3448 Illinois U.S.A.
  • 3129773449 | +1 312-977-3449 Illinois U.S.A.
  • 3129773450 | +1 312-977-3450 Illinois U.S.A.
  • 3129773451 | +1 312-977-3451 Illinois U.S.A.
  • 3129773452 | +1 312-977-3452 Illinois U.S.A.
  • 3129773453 | +1 312-977-3453 Illinois U.S.A.
  • 3129773454 | +1 312-977-3454 Illinois U.S.A.
  • 3129773455 | +1 312-977-3455 Illinois U.S.A.
  • 3129773456 | +1 312-977-3456 Illinois U.S.A.
  • 3129773457 | +1 312-977-3457 Illinois U.S.A.
  • 3129773458 | +1 312-977-3458 Illinois U.S.A.
  • 3129773459 | +1 312-977-3459 Illinois U.S.A.
  • 3129773460 | +1 312-977-3460 Illinois U.S.A.
  • 3129773461 | +1 312-977-3461 Illinois U.S.A.
  • 3129773462 | +1 312-977-3462 Illinois U.S.A.
  • 3129773463 | +1 312-977-3463 Illinois U.S.A.
  • 3129773464 | +1 312-977-3464 Illinois U.S.A.
  • 3129773465 | +1 312-977-3465 Illinois U.S.A.
  • 3129773466 | +1 312-977-3466 Illinois U.S.A.
  • 3129773467 | +1 312-977-3467 Illinois U.S.A.
  • 3129773468 | +1 312-977-3468 Illinois U.S.A.
  • 3129773469 | +1 312-977-3469 Illinois U.S.A.
  • 3129773470 | +1 312-977-3470 Illinois U.S.A.
  • 3129773471 | +1 312-977-3471 Illinois U.S.A.
  • 3129773472 | +1 312-977-3472 Illinois U.S.A.
  • 3129773473 | +1 312-977-3473 Illinois U.S.A.
  • 3129773474 | +1 312-977-3474 Illinois U.S.A.
  • 3129773475 | +1 312-977-3475 Illinois U.S.A.
  • 3129773476 | +1 312-977-3476 Illinois U.S.A.
  • 3129773477 | +1 312-977-3477 Illinois U.S.A.
  • 3129773478 | +1 312-977-3478 Illinois U.S.A.
  • 3129773479 | +1 312-977-3479 Illinois U.S.A.
  • 3129773480 | +1 312-977-3480 Illinois U.S.A.
  • 3129773481 | +1 312-977-3481 Illinois U.S.A.
  • 3129773482 | +1 312-977-3482 Illinois U.S.A.
  • 3129773483 | +1 312-977-3483 Illinois U.S.A.
  • 3129773484 | +1 312-977-3484 Illinois U.S.A.
  • 3129773485 | +1 312-977-3485 Illinois U.S.A.
  • 3129773486 | +1 312-977-3486 Illinois U.S.A.
  • 3129773487 | +1 312-977-3487 Illinois U.S.A.
  • 3129773488 | +1 312-977-3488 Illinois U.S.A.
  • 3129773489 | +1 312-977-3489 Illinois U.S.A.
  • 3129773490 | +1 312-977-3490 Illinois U.S.A.
  • 3129773491 | +1 312-977-3491 Illinois U.S.A.
  • 3129773492 | +1 312-977-3492 Illinois U.S.A.
  • 3129773493 | +1 312-977-3493 Illinois U.S.A.
  • 3129773494 | +1 312-977-3494 Illinois U.S.A.
  • 3129773495 | +1 312-977-3495 Illinois U.S.A.
  • 3129773496 | +1 312-977-3496 Illinois U.S.A.
  • 3129773497 | +1 312-977-3497 Illinois U.S.A.
  • 3129773498 | +1 312-977-3498 Illinois U.S.A.
  • 3129773499 | +1 312-977-3499 Illinois U.S.A.