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).

  • 3129213400 | +1 312-921-3400 Illinois U.S.A.
  • 3129213401 | +1 312-921-3401 Illinois U.S.A.
  • 3129213402 | +1 312-921-3402 Illinois U.S.A.
  • 3129213403 | +1 312-921-3403 Illinois U.S.A.
  • 3129213404 | +1 312-921-3404 Illinois U.S.A.
  • 3129213405 | +1 312-921-3405 Illinois U.S.A.
  • 3129213406 | +1 312-921-3406 Illinois U.S.A.
  • 3129213407 | +1 312-921-3407 Illinois U.S.A.
  • 3129213408 | +1 312-921-3408 Illinois U.S.A.
  • 3129213409 | +1 312-921-3409 Illinois U.S.A.
  • 3129213410 | +1 312-921-3410 Illinois U.S.A.
  • 3129213411 | +1 312-921-3411 Illinois U.S.A.
  • 3129213412 | +1 312-921-3412 Illinois U.S.A.
  • 3129213413 | +1 312-921-3413 Illinois U.S.A.
  • 3129213414 | +1 312-921-3414 Illinois U.S.A.
  • 3129213415 | +1 312-921-3415 Illinois U.S.A.
  • 3129213416 | +1 312-921-3416 Illinois U.S.A.
  • 3129213417 | +1 312-921-3417 Illinois U.S.A.
  • 3129213418 | +1 312-921-3418 Illinois U.S.A.
  • 3129213419 | +1 312-921-3419 Illinois U.S.A.
  • 3129213420 | +1 312-921-3420 Illinois U.S.A.
  • 3129213421 | +1 312-921-3421 Illinois U.S.A.
  • 3129213422 | +1 312-921-3422 Illinois U.S.A.
  • 3129213423 | +1 312-921-3423 Illinois U.S.A.
  • 3129213424 | +1 312-921-3424 Illinois U.S.A.
  • 3129213425 | +1 312-921-3425 Illinois U.S.A.
  • 3129213426 | +1 312-921-3426 Illinois U.S.A.
  • 3129213427 | +1 312-921-3427 Illinois U.S.A.
  • 3129213428 | +1 312-921-3428 Illinois U.S.A.
  • 3129213429 | +1 312-921-3429 Illinois U.S.A.
  • 3129213430 | +1 312-921-3430 Illinois U.S.A.
  • 3129213431 | +1 312-921-3431 Illinois U.S.A.
  • 3129213432 | +1 312-921-3432 Illinois U.S.A.
  • 3129213433 | +1 312-921-3433 Illinois U.S.A.
  • 3129213434 | +1 312-921-3434 Illinois U.S.A.
  • 3129213435 | +1 312-921-3435 Illinois U.S.A.
  • 3129213436 | +1 312-921-3436 Illinois U.S.A.
  • 3129213437 | +1 312-921-3437 Illinois U.S.A.
  • 3129213438 | +1 312-921-3438 Illinois U.S.A.
  • 3129213439 | +1 312-921-3439 Illinois U.S.A.
  • 3129213440 | +1 312-921-3440 Illinois U.S.A.
  • 3129213441 | +1 312-921-3441 Illinois U.S.A.
  • 3129213442 | +1 312-921-3442 Illinois U.S.A.
  • 3129213443 | +1 312-921-3443 Illinois U.S.A.
  • 3129213444 | +1 312-921-3444 Illinois U.S.A.
  • 3129213445 | +1 312-921-3445 Illinois U.S.A.
  • 3129213446 | +1 312-921-3446 Illinois U.S.A.
  • 3129213447 | +1 312-921-3447 Illinois U.S.A.
  • 3129213448 | +1 312-921-3448 Illinois U.S.A.
  • 3129213449 | +1 312-921-3449 Illinois U.S.A.
  • 3129213450 | +1 312-921-3450 Illinois U.S.A.
  • 3129213451 | +1 312-921-3451 Illinois U.S.A.
  • 3129213452 | +1 312-921-3452 Illinois U.S.A.
  • 3129213453 | +1 312-921-3453 Illinois U.S.A.
  • 3129213454 | +1 312-921-3454 Illinois U.S.A.
  • 3129213455 | +1 312-921-3455 Illinois U.S.A.
  • 3129213456 | +1 312-921-3456 Illinois U.S.A.
  • 3129213457 | +1 312-921-3457 Illinois U.S.A.
  • 3129213458 | +1 312-921-3458 Illinois U.S.A.
  • 3129213459 | +1 312-921-3459 Illinois U.S.A.
  • 3129213460 | +1 312-921-3460 Illinois U.S.A.
  • 3129213461 | +1 312-921-3461 Illinois U.S.A.
  • 3129213462 | +1 312-921-3462 Illinois U.S.A.
  • 3129213463 | +1 312-921-3463 Illinois U.S.A.
  • 3129213464 | +1 312-921-3464 Illinois U.S.A.
  • 3129213465 | +1 312-921-3465 Illinois U.S.A.
  • 3129213466 | +1 312-921-3466 Illinois U.S.A.
  • 3129213467 | +1 312-921-3467 Illinois U.S.A.
  • 3129213468 | +1 312-921-3468 Illinois U.S.A.
  • 3129213469 | +1 312-921-3469 Illinois U.S.A.
  • 3129213470 | +1 312-921-3470 Illinois U.S.A.
  • 3129213471 | +1 312-921-3471 Illinois U.S.A.
  • 3129213472 | +1 312-921-3472 Illinois U.S.A.
  • 3129213473 | +1 312-921-3473 Illinois U.S.A.
  • 3129213474 | +1 312-921-3474 Illinois U.S.A.
  • 3129213475 | +1 312-921-3475 Illinois U.S.A.
  • 3129213476 | +1 312-921-3476 Illinois U.S.A.
  • 3129213477 | +1 312-921-3477 Illinois U.S.A.
  • 3129213478 | +1 312-921-3478 Illinois U.S.A.
  • 3129213479 | +1 312-921-3479 Illinois U.S.A.
  • 3129213480 | +1 312-921-3480 Illinois U.S.A.
  • 3129213481 | +1 312-921-3481 Illinois U.S.A.
  • 3129213482 | +1 312-921-3482 Illinois U.S.A.
  • 3129213483 | +1 312-921-3483 Illinois U.S.A.
  • 3129213484 | +1 312-921-3484 Illinois U.S.A.
  • 3129213485 | +1 312-921-3485 Illinois U.S.A.
  • 3129213486 | +1 312-921-3486 Illinois U.S.A.
  • 3129213487 | +1 312-921-3487 Illinois U.S.A.
  • 3129213488 | +1 312-921-3488 Illinois U.S.A.
  • 3129213489 | +1 312-921-3489 Illinois U.S.A.
  • 3129213490 | +1 312-921-3490 Illinois U.S.A.
  • 3129213491 | +1 312-921-3491 Illinois U.S.A.
  • 3129213492 | +1 312-921-3492 Illinois U.S.A.
  • 3129213493 | +1 312-921-3493 Illinois U.S.A.
  • 3129213494 | +1 312-921-3494 Illinois U.S.A.
  • 3129213495 | +1 312-921-3495 Illinois U.S.A.
  • 3129213496 | +1 312-921-3496 Illinois U.S.A.
  • 3129213497 | +1 312-921-3497 Illinois U.S.A.
  • 3129213498 | +1 312-921-3498 Illinois U.S.A.
  • 3129213499 | +1 312-921-3499 Illinois U.S.A.