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).

  • 3127900400 | +1 312-790-0400 Illinois U.S.A.
  • 3127900401 | +1 312-790-0401 Illinois U.S.A.
  • 3127900402 | +1 312-790-0402 Illinois U.S.A.
  • 3127900403 | +1 312-790-0403 Illinois U.S.A.
  • 3127900404 | +1 312-790-0404 Illinois U.S.A.
  • 3127900405 | +1 312-790-0405 Illinois U.S.A.
  • 3127900406 | +1 312-790-0406 Illinois U.S.A.
  • 3127900407 | +1 312-790-0407 Illinois U.S.A.
  • 3127900408 | +1 312-790-0408 Illinois U.S.A.
  • 3127900409 | +1 312-790-0409 Illinois U.S.A.
  • 3127900410 | +1 312-790-0410 Illinois U.S.A.
  • 3127900411 | +1 312-790-0411 Illinois U.S.A.
  • 3127900412 | +1 312-790-0412 Illinois U.S.A.
  • 3127900413 | +1 312-790-0413 Illinois U.S.A.
  • 3127900414 | +1 312-790-0414 Illinois U.S.A.
  • 3127900415 | +1 312-790-0415 Illinois U.S.A.
  • 3127900416 | +1 312-790-0416 Illinois U.S.A.
  • 3127900417 | +1 312-790-0417 Illinois U.S.A.
  • 3127900418 | +1 312-790-0418 Illinois U.S.A.
  • 3127900419 | +1 312-790-0419 Illinois U.S.A.
  • 3127900420 | +1 312-790-0420 Illinois U.S.A.
  • 3127900421 | +1 312-790-0421 Illinois U.S.A.
  • 3127900422 | +1 312-790-0422 Illinois U.S.A.
  • 3127900423 | +1 312-790-0423 Illinois U.S.A.
  • 3127900424 | +1 312-790-0424 Illinois U.S.A.
  • 3127900425 | +1 312-790-0425 Illinois U.S.A.
  • 3127900426 | +1 312-790-0426 Illinois U.S.A.
  • 3127900427 | +1 312-790-0427 Illinois U.S.A.
  • 3127900428 | +1 312-790-0428 Illinois U.S.A.
  • 3127900429 | +1 312-790-0429 Illinois U.S.A.
  • 3127900430 | +1 312-790-0430 Illinois U.S.A.
  • 3127900431 | +1 312-790-0431 Illinois U.S.A.
  • 3127900432 | +1 312-790-0432 Illinois U.S.A.
  • 3127900433 | +1 312-790-0433 Illinois U.S.A.
  • 3127900434 | +1 312-790-0434 Illinois U.S.A.
  • 3127900435 | +1 312-790-0435 Illinois U.S.A.
  • 3127900436 | +1 312-790-0436 Illinois U.S.A.
  • 3127900437 | +1 312-790-0437 Illinois U.S.A.
  • 3127900438 | +1 312-790-0438 Illinois U.S.A.
  • 3127900439 | +1 312-790-0439 Illinois U.S.A.
  • 3127900440 | +1 312-790-0440 Illinois U.S.A.
  • 3127900441 | +1 312-790-0441 Illinois U.S.A.
  • 3127900442 | +1 312-790-0442 Illinois U.S.A.
  • 3127900443 | +1 312-790-0443 Illinois U.S.A.
  • 3127900444 | +1 312-790-0444 Illinois U.S.A.
  • 3127900445 | +1 312-790-0445 Illinois U.S.A.
  • 3127900446 | +1 312-790-0446 Illinois U.S.A.
  • 3127900447 | +1 312-790-0447 Illinois U.S.A.
  • 3127900448 | +1 312-790-0448 Illinois U.S.A.
  • 3127900449 | +1 312-790-0449 Illinois U.S.A.
  • 3127900450 | +1 312-790-0450 Illinois U.S.A.
  • 3127900451 | +1 312-790-0451 Illinois U.S.A.
  • 3127900452 | +1 312-790-0452 Illinois U.S.A.
  • 3127900453 | +1 312-790-0453 Illinois U.S.A.
  • 3127900454 | +1 312-790-0454 Illinois U.S.A.
  • 3127900455 | +1 312-790-0455 Illinois U.S.A.
  • 3127900456 | +1 312-790-0456 Illinois U.S.A.
  • 3127900457 | +1 312-790-0457 Illinois U.S.A.
  • 3127900458 | +1 312-790-0458 Illinois U.S.A.
  • 3127900459 | +1 312-790-0459 Illinois U.S.A.
  • 3127900460 | +1 312-790-0460 Illinois U.S.A.
  • 3127900461 | +1 312-790-0461 Illinois U.S.A.
  • 3127900462 | +1 312-790-0462 Illinois U.S.A.
  • 3127900463 | +1 312-790-0463 Illinois U.S.A.
  • 3127900464 | +1 312-790-0464 Illinois U.S.A.
  • 3127900465 | +1 312-790-0465 Illinois U.S.A.
  • 3127900466 | +1 312-790-0466 Illinois U.S.A.
  • 3127900467 | +1 312-790-0467 Illinois U.S.A.
  • 3127900468 | +1 312-790-0468 Illinois U.S.A.
  • 3127900469 | +1 312-790-0469 Illinois U.S.A.
  • 3127900470 | +1 312-790-0470 Illinois U.S.A.
  • 3127900471 | +1 312-790-0471 Illinois U.S.A.
  • 3127900472 | +1 312-790-0472 Illinois U.S.A.
  • 3127900473 | +1 312-790-0473 Illinois U.S.A.
  • 3127900474 | +1 312-790-0474 Illinois U.S.A.
  • 3127900475 | +1 312-790-0475 Illinois U.S.A.
  • 3127900476 | +1 312-790-0476 Illinois U.S.A.
  • 3127900477 | +1 312-790-0477 Illinois U.S.A.
  • 3127900478 | +1 312-790-0478 Illinois U.S.A.
  • 3127900479 | +1 312-790-0479 Illinois U.S.A.
  • 3127900480 | +1 312-790-0480 Illinois U.S.A.
  • 3127900481 | +1 312-790-0481 Illinois U.S.A.
  • 3127900482 | +1 312-790-0482 Illinois U.S.A.
  • 3127900483 | +1 312-790-0483 Illinois U.S.A.
  • 3127900484 | +1 312-790-0484 Illinois U.S.A.
  • 3127900485 | +1 312-790-0485 Illinois U.S.A.
  • 3127900486 | +1 312-790-0486 Illinois U.S.A.
  • 3127900487 | +1 312-790-0487 Illinois U.S.A.
  • 3127900488 | +1 312-790-0488 Illinois U.S.A.
  • 3127900489 | +1 312-790-0489 Illinois U.S.A.
  • 3127900490 | +1 312-790-0490 Illinois U.S.A.
  • 3127900491 | +1 312-790-0491 Illinois U.S.A.
  • 3127900492 | +1 312-790-0492 Illinois U.S.A.
  • 3127900493 | +1 312-790-0493 Illinois U.S.A.
  • 3127900494 | +1 312-790-0494 Illinois U.S.A.
  • 3127900495 | +1 312-790-0495 Illinois U.S.A.
  • 3127900496 | +1 312-790-0496 Illinois U.S.A.
  • 3127900497 | +1 312-790-0497 Illinois U.S.A.
  • 3127900498 | +1 312-790-0498 Illinois U.S.A.
  • 3127900499 | +1 312-790-0499 Illinois U.S.A.