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).

  • 3123866400 | +1 312-386-6400 Illinois U.S.A.
  • 3123866401 | +1 312-386-6401 Illinois U.S.A.
  • 3123866402 | +1 312-386-6402 Illinois U.S.A.
  • 3123866403 | +1 312-386-6403 Illinois U.S.A.
  • 3123866404 | +1 312-386-6404 Illinois U.S.A.
  • 3123866405 | +1 312-386-6405 Illinois U.S.A.
  • 3123866406 | +1 312-386-6406 Illinois U.S.A.
  • 3123866407 | +1 312-386-6407 Illinois U.S.A.
  • 3123866408 | +1 312-386-6408 Illinois U.S.A.
  • 3123866409 | +1 312-386-6409 Illinois U.S.A.
  • 3123866410 | +1 312-386-6410 Illinois U.S.A.
  • 3123866411 | +1 312-386-6411 Illinois U.S.A.
  • 3123866412 | +1 312-386-6412 Illinois U.S.A.
  • 3123866413 | +1 312-386-6413 Illinois U.S.A.
  • 3123866414 | +1 312-386-6414 Illinois U.S.A.
  • 3123866415 | +1 312-386-6415 Illinois U.S.A.
  • 3123866416 | +1 312-386-6416 Illinois U.S.A.
  • 3123866417 | +1 312-386-6417 Illinois U.S.A.
  • 3123866418 | +1 312-386-6418 Illinois U.S.A.
  • 3123866419 | +1 312-386-6419 Illinois U.S.A.
  • 3123866420 | +1 312-386-6420 Illinois U.S.A.
  • 3123866421 | +1 312-386-6421 Illinois U.S.A.
  • 3123866422 | +1 312-386-6422 Illinois U.S.A.
  • 3123866423 | +1 312-386-6423 Illinois U.S.A.
  • 3123866424 | +1 312-386-6424 Illinois U.S.A.
  • 3123866425 | +1 312-386-6425 Illinois U.S.A.
  • 3123866426 | +1 312-386-6426 Illinois U.S.A.
  • 3123866427 | +1 312-386-6427 Illinois U.S.A.
  • 3123866428 | +1 312-386-6428 Illinois U.S.A.
  • 3123866429 | +1 312-386-6429 Illinois U.S.A.
  • 3123866430 | +1 312-386-6430 Illinois U.S.A.
  • 3123866431 | +1 312-386-6431 Illinois U.S.A.
  • 3123866432 | +1 312-386-6432 Illinois U.S.A.
  • 3123866433 | +1 312-386-6433 Illinois U.S.A.
  • 3123866434 | +1 312-386-6434 Illinois U.S.A.
  • 3123866435 | +1 312-386-6435 Illinois U.S.A.
  • 3123866436 | +1 312-386-6436 Illinois U.S.A.
  • 3123866437 | +1 312-386-6437 Illinois U.S.A.
  • 3123866438 | +1 312-386-6438 Illinois U.S.A.
  • 3123866439 | +1 312-386-6439 Illinois U.S.A.
  • 3123866440 | +1 312-386-6440 Illinois U.S.A.
  • 3123866441 | +1 312-386-6441 Illinois U.S.A.
  • 3123866442 | +1 312-386-6442 Illinois U.S.A.
  • 3123866443 | +1 312-386-6443 Illinois U.S.A.
  • 3123866444 | +1 312-386-6444 Illinois U.S.A.
  • 3123866445 | +1 312-386-6445 Illinois U.S.A.
  • 3123866446 | +1 312-386-6446 Illinois U.S.A.
  • 3123866447 | +1 312-386-6447 Illinois U.S.A.
  • 3123866448 | +1 312-386-6448 Illinois U.S.A.
  • 3123866449 | +1 312-386-6449 Illinois U.S.A.
  • 3123866450 | +1 312-386-6450 Illinois U.S.A.
  • 3123866451 | +1 312-386-6451 Illinois U.S.A.
  • 3123866452 | +1 312-386-6452 Illinois U.S.A.
  • 3123866453 | +1 312-386-6453 Illinois U.S.A.
  • 3123866454 | +1 312-386-6454 Illinois U.S.A.
  • 3123866455 | +1 312-386-6455 Illinois U.S.A.
  • 3123866456 | +1 312-386-6456 Illinois U.S.A.
  • 3123866457 | +1 312-386-6457 Illinois U.S.A.
  • 3123866458 | +1 312-386-6458 Illinois U.S.A.
  • 3123866459 | +1 312-386-6459 Illinois U.S.A.
  • 3123866460 | +1 312-386-6460 Illinois U.S.A.
  • 3123866461 | +1 312-386-6461 Illinois U.S.A.
  • 3123866462 | +1 312-386-6462 Illinois U.S.A.
  • 3123866463 | +1 312-386-6463 Illinois U.S.A.
  • 3123866464 | +1 312-386-6464 Illinois U.S.A.
  • 3123866465 | +1 312-386-6465 Illinois U.S.A.
  • 3123866466 | +1 312-386-6466 Illinois U.S.A.
  • 3123866467 | +1 312-386-6467 Illinois U.S.A.
  • 3123866468 | +1 312-386-6468 Illinois U.S.A.
  • 3123866469 | +1 312-386-6469 Illinois U.S.A.
  • 3123866470 | +1 312-386-6470 Illinois U.S.A.
  • 3123866471 | +1 312-386-6471 Illinois U.S.A.
  • 3123866472 | +1 312-386-6472 Illinois U.S.A.
  • 3123866473 | +1 312-386-6473 Illinois U.S.A.
  • 3123866474 | +1 312-386-6474 Illinois U.S.A.
  • 3123866475 | +1 312-386-6475 Illinois U.S.A.
  • 3123866476 | +1 312-386-6476 Illinois U.S.A.
  • 3123866477 | +1 312-386-6477 Illinois U.S.A.
  • 3123866478 | +1 312-386-6478 Illinois U.S.A.
  • 3123866479 | +1 312-386-6479 Illinois U.S.A.
  • 3123866480 | +1 312-386-6480 Illinois U.S.A.
  • 3123866481 | +1 312-386-6481 Illinois U.S.A.
  • 3123866482 | +1 312-386-6482 Illinois U.S.A.
  • 3123866483 | +1 312-386-6483 Illinois U.S.A.
  • 3123866484 | +1 312-386-6484 Illinois U.S.A.
  • 3123866485 | +1 312-386-6485 Illinois U.S.A.
  • 3123866486 | +1 312-386-6486 Illinois U.S.A.
  • 3123866487 | +1 312-386-6487 Illinois U.S.A.
  • 3123866488 | +1 312-386-6488 Illinois U.S.A.
  • 3123866489 | +1 312-386-6489 Illinois U.S.A.
  • 3123866490 | +1 312-386-6490 Illinois U.S.A.
  • 3123866491 | +1 312-386-6491 Illinois U.S.A.
  • 3123866492 | +1 312-386-6492 Illinois U.S.A.
  • 3123866493 | +1 312-386-6493 Illinois U.S.A.
  • 3123866494 | +1 312-386-6494 Illinois U.S.A.
  • 3123866495 | +1 312-386-6495 Illinois U.S.A.
  • 3123866496 | +1 312-386-6496 Illinois U.S.A.
  • 3123866497 | +1 312-386-6497 Illinois U.S.A.
  • 3123866498 | +1 312-386-6498 Illinois U.S.A.
  • 3123866499 | +1 312-386-6499 Illinois U.S.A.