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).

  • 3123066400 | +1 312-306-6400 Illinois U.S.A.
  • 3123066401 | +1 312-306-6401 Illinois U.S.A.
  • 3123066402 | +1 312-306-6402 Illinois U.S.A.
  • 3123066403 | +1 312-306-6403 Illinois U.S.A.
  • 3123066404 | +1 312-306-6404 Illinois U.S.A.
  • 3123066405 | +1 312-306-6405 Illinois U.S.A.
  • 3123066406 | +1 312-306-6406 Illinois U.S.A.
  • 3123066407 | +1 312-306-6407 Illinois U.S.A.
  • 3123066408 | +1 312-306-6408 Illinois U.S.A.
  • 3123066409 | +1 312-306-6409 Illinois U.S.A.
  • 3123066410 | +1 312-306-6410 Illinois U.S.A.
  • 3123066411 | +1 312-306-6411 Illinois U.S.A.
  • 3123066412 | +1 312-306-6412 Illinois U.S.A.
  • 3123066413 | +1 312-306-6413 Illinois U.S.A.
  • 3123066414 | +1 312-306-6414 Illinois U.S.A.
  • 3123066415 | +1 312-306-6415 Illinois U.S.A.
  • 3123066416 | +1 312-306-6416 Illinois U.S.A.
  • 3123066417 | +1 312-306-6417 Illinois U.S.A.
  • 3123066418 | +1 312-306-6418 Illinois U.S.A.
  • 3123066419 | +1 312-306-6419 Illinois U.S.A.
  • 3123066420 | +1 312-306-6420 Illinois U.S.A.
  • 3123066421 | +1 312-306-6421 Illinois U.S.A.
  • 3123066422 | +1 312-306-6422 Illinois U.S.A.
  • 3123066423 | +1 312-306-6423 Illinois U.S.A.
  • 3123066424 | +1 312-306-6424 Illinois U.S.A.
  • 3123066425 | +1 312-306-6425 Illinois U.S.A.
  • 3123066426 | +1 312-306-6426 Illinois U.S.A.
  • 3123066427 | +1 312-306-6427 Illinois U.S.A.
  • 3123066428 | +1 312-306-6428 Illinois U.S.A.
  • 3123066429 | +1 312-306-6429 Illinois U.S.A.
  • 3123066430 | +1 312-306-6430 Illinois U.S.A.
  • 3123066431 | +1 312-306-6431 Illinois U.S.A.
  • 3123066432 | +1 312-306-6432 Illinois U.S.A.
  • 3123066433 | +1 312-306-6433 Illinois U.S.A.
  • 3123066434 | +1 312-306-6434 Illinois U.S.A.
  • 3123066435 | +1 312-306-6435 Illinois U.S.A.
  • 3123066436 | +1 312-306-6436 Illinois U.S.A.
  • 3123066437 | +1 312-306-6437 Illinois U.S.A.
  • 3123066438 | +1 312-306-6438 Illinois U.S.A.
  • 3123066439 | +1 312-306-6439 Illinois U.S.A.
  • 3123066440 | +1 312-306-6440 Illinois U.S.A.
  • 3123066441 | +1 312-306-6441 Illinois U.S.A.
  • 3123066442 | +1 312-306-6442 Illinois U.S.A.
  • 3123066443 | +1 312-306-6443 Illinois U.S.A.
  • 3123066444 | +1 312-306-6444 Illinois U.S.A.
  • 3123066445 | +1 312-306-6445 Illinois U.S.A.
  • 3123066446 | +1 312-306-6446 Illinois U.S.A.
  • 3123066447 | +1 312-306-6447 Illinois U.S.A.
  • 3123066448 | +1 312-306-6448 Illinois U.S.A.
  • 3123066449 | +1 312-306-6449 Illinois U.S.A.
  • 3123066450 | +1 312-306-6450 Illinois U.S.A.
  • 3123066451 | +1 312-306-6451 Illinois U.S.A.
  • 3123066452 | +1 312-306-6452 Illinois U.S.A.
  • 3123066453 | +1 312-306-6453 Illinois U.S.A.
  • 3123066454 | +1 312-306-6454 Illinois U.S.A.
  • 3123066455 | +1 312-306-6455 Illinois U.S.A.
  • 3123066456 | +1 312-306-6456 Illinois U.S.A.
  • 3123066457 | +1 312-306-6457 Illinois U.S.A.
  • 3123066458 | +1 312-306-6458 Illinois U.S.A.
  • 3123066459 | +1 312-306-6459 Illinois U.S.A.
  • 3123066460 | +1 312-306-6460 Illinois U.S.A.
  • 3123066461 | +1 312-306-6461 Illinois U.S.A.
  • 3123066462 | +1 312-306-6462 Illinois U.S.A.
  • 3123066463 | +1 312-306-6463 Illinois U.S.A.
  • 3123066464 | +1 312-306-6464 Illinois U.S.A.
  • 3123066465 | +1 312-306-6465 Illinois U.S.A.
  • 3123066466 | +1 312-306-6466 Illinois U.S.A.
  • 3123066467 | +1 312-306-6467 Illinois U.S.A.
  • 3123066468 | +1 312-306-6468 Illinois U.S.A.
  • 3123066469 | +1 312-306-6469 Illinois U.S.A.
  • 3123066470 | +1 312-306-6470 Illinois U.S.A.
  • 3123066471 | +1 312-306-6471 Illinois U.S.A.
  • 3123066472 | +1 312-306-6472 Illinois U.S.A.
  • 3123066473 | +1 312-306-6473 Illinois U.S.A.
  • 3123066474 | +1 312-306-6474 Illinois U.S.A.
  • 3123066475 | +1 312-306-6475 Illinois U.S.A.
  • 3123066476 | +1 312-306-6476 Illinois U.S.A.
  • 3123066477 | +1 312-306-6477 Illinois U.S.A.
  • 3123066478 | +1 312-306-6478 Illinois U.S.A.
  • 3123066479 | +1 312-306-6479 Illinois U.S.A.
  • 3123066480 | +1 312-306-6480 Illinois U.S.A.
  • 3123066481 | +1 312-306-6481 Illinois U.S.A.
  • 3123066482 | +1 312-306-6482 Illinois U.S.A.
  • 3123066483 | +1 312-306-6483 Illinois U.S.A.
  • 3123066484 | +1 312-306-6484 Illinois U.S.A.
  • 3123066485 | +1 312-306-6485 Illinois U.S.A.
  • 3123066486 | +1 312-306-6486 Illinois U.S.A.
  • 3123066487 | +1 312-306-6487 Illinois U.S.A.
  • 3123066488 | +1 312-306-6488 Illinois U.S.A.
  • 3123066489 | +1 312-306-6489 Illinois U.S.A.
  • 3123066490 | +1 312-306-6490 Illinois U.S.A.
  • 3123066491 | +1 312-306-6491 Illinois U.S.A.
  • 3123066492 | +1 312-306-6492 Illinois U.S.A.
  • 3123066493 | +1 312-306-6493 Illinois U.S.A.
  • 3123066494 | +1 312-306-6494 Illinois U.S.A.
  • 3123066495 | +1 312-306-6495 Illinois U.S.A.
  • 3123066496 | +1 312-306-6496 Illinois U.S.A.
  • 3123066497 | +1 312-306-6497 Illinois U.S.A.
  • 3123066498 | +1 312-306-6498 Illinois U.S.A.
  • 3123066499 | +1 312-306-6499 Illinois U.S.A.