City of Chicago


312 Area code: Chicago, Cook - Wireless

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).

  • 3123750400 | +1 312-375-0400 Illinois U.S.A.
  • 3123750401 | +1 312-375-0401 Illinois U.S.A.
  • 3123750402 | +1 312-375-0402 Illinois U.S.A.
  • 3123750403 | +1 312-375-0403 Illinois U.S.A.
  • 3123750404 | +1 312-375-0404 Illinois U.S.A.
  • 3123750405 | +1 312-375-0405 Illinois U.S.A.
  • 3123750406 | +1 312-375-0406 Illinois U.S.A.
  • 3123750407 | +1 312-375-0407 Illinois U.S.A.
  • 3123750408 | +1 312-375-0408 Illinois U.S.A.
  • 3123750409 | +1 312-375-0409 Illinois U.S.A.
  • 3123750410 | +1 312-375-0410 Illinois U.S.A.
  • 3123750411 | +1 312-375-0411 Illinois U.S.A.
  • 3123750412 | +1 312-375-0412 Illinois U.S.A.
  • 3123750413 | +1 312-375-0413 Illinois U.S.A.
  • 3123750414 | +1 312-375-0414 Illinois U.S.A.
  • 3123750415 | +1 312-375-0415 Illinois U.S.A.
  • 3123750416 | +1 312-375-0416 Illinois U.S.A.
  • 3123750417 | +1 312-375-0417 Illinois U.S.A.
  • 3123750418 | +1 312-375-0418 Illinois U.S.A.
  • 3123750419 | +1 312-375-0419 Illinois U.S.A.
  • 3123750420 | +1 312-375-0420 Illinois U.S.A.
  • 3123750421 | +1 312-375-0421 Illinois U.S.A.
  • 3123750422 | +1 312-375-0422 Illinois U.S.A.
  • 3123750423 | +1 312-375-0423 Illinois U.S.A.
  • 3123750424 | +1 312-375-0424 Illinois U.S.A.
  • 3123750425 | +1 312-375-0425 Illinois U.S.A.
  • 3123750426 | +1 312-375-0426 Illinois U.S.A.
  • 3123750427 | +1 312-375-0427 Illinois U.S.A.
  • 3123750428 | +1 312-375-0428 Illinois U.S.A.
  • 3123750429 | +1 312-375-0429 Illinois U.S.A.
  • 3123750430 | +1 312-375-0430 Illinois U.S.A.
  • 3123750431 | +1 312-375-0431 Illinois U.S.A.
  • 3123750432 | +1 312-375-0432 Illinois U.S.A.
  • 3123750433 | +1 312-375-0433 Illinois U.S.A.
  • 3123750434 | +1 312-375-0434 Illinois U.S.A.
  • 3123750435 | +1 312-375-0435 Illinois U.S.A.
  • 3123750436 | +1 312-375-0436 Illinois U.S.A.
  • 3123750437 | +1 312-375-0437 Illinois U.S.A.
  • 3123750438 | +1 312-375-0438 Illinois U.S.A.
  • 3123750439 | +1 312-375-0439 Illinois U.S.A.
  • 3123750440 | +1 312-375-0440 Illinois U.S.A.
  • 3123750441 | +1 312-375-0441 Illinois U.S.A.
  • 3123750442 | +1 312-375-0442 Illinois U.S.A.
  • 3123750443 | +1 312-375-0443 Illinois U.S.A.
  • 3123750444 | +1 312-375-0444 Illinois U.S.A.
  • 3123750445 | +1 312-375-0445 Illinois U.S.A.
  • 3123750446 | +1 312-375-0446 Illinois U.S.A.
  • 3123750447 | +1 312-375-0447 Illinois U.S.A.
  • 3123750448 | +1 312-375-0448 Illinois U.S.A.
  • 3123750449 | +1 312-375-0449 Illinois U.S.A.
  • 3123750450 | +1 312-375-0450 Illinois U.S.A.
  • 3123750451 | +1 312-375-0451 Illinois U.S.A.
  • 3123750452 | +1 312-375-0452 Illinois U.S.A.
  • 3123750453 | +1 312-375-0453 Illinois U.S.A.
  • 3123750454 | +1 312-375-0454 Illinois U.S.A.
  • 3123750455 | +1 312-375-0455 Illinois U.S.A.
  • 3123750456 | +1 312-375-0456 Illinois U.S.A.
  • 3123750457 | +1 312-375-0457 Illinois U.S.A.
  • 3123750458 | +1 312-375-0458 Illinois U.S.A.
  • 3123750459 | +1 312-375-0459 Illinois U.S.A.
  • 3123750460 | +1 312-375-0460 Illinois U.S.A.
  • 3123750461 | +1 312-375-0461 Illinois U.S.A.
  • 3123750462 | +1 312-375-0462 Illinois U.S.A.
  • 3123750463 | +1 312-375-0463 Illinois U.S.A.
  • 3123750464 | +1 312-375-0464 Illinois U.S.A.
  • 3123750465 | +1 312-375-0465 Illinois U.S.A.
  • 3123750466 | +1 312-375-0466 Illinois U.S.A.
  • 3123750467 | +1 312-375-0467 Illinois U.S.A.
  • 3123750468 | +1 312-375-0468 Illinois U.S.A.
  • 3123750469 | +1 312-375-0469 Illinois U.S.A.
  • 3123750470 | +1 312-375-0470 Illinois U.S.A.
  • 3123750471 | +1 312-375-0471 Illinois U.S.A.
  • 3123750472 | +1 312-375-0472 Illinois U.S.A.
  • 3123750473 | +1 312-375-0473 Illinois U.S.A.
  • 3123750474 | +1 312-375-0474 Illinois U.S.A.
  • 3123750475 | +1 312-375-0475 Illinois U.S.A.
  • 3123750476 | +1 312-375-0476 Illinois U.S.A.
  • 3123750477 | +1 312-375-0477 Illinois U.S.A.
  • 3123750478 | +1 312-375-0478 Illinois U.S.A.
  • 3123750479 | +1 312-375-0479 Illinois U.S.A.
  • 3123750480 | +1 312-375-0480 Illinois U.S.A.
  • 3123750481 | +1 312-375-0481 Illinois U.S.A.
  • 3123750482 | +1 312-375-0482 Illinois U.S.A.
  • 3123750483 | +1 312-375-0483 Illinois U.S.A.
  • 3123750484 | +1 312-375-0484 Illinois U.S.A.
  • 3123750485 | +1 312-375-0485 Illinois U.S.A.
  • 3123750486 | +1 312-375-0486 Illinois U.S.A.
  • 3123750487 | +1 312-375-0487 Illinois U.S.A.
  • 3123750488 | +1 312-375-0488 Illinois U.S.A.
  • 3123750489 | +1 312-375-0489 Illinois U.S.A.
  • 3123750490 | +1 312-375-0490 Illinois U.S.A.
  • 3123750491 | +1 312-375-0491 Illinois U.S.A.
  • 3123750492 | +1 312-375-0492 Illinois U.S.A.
  • 3123750493 | +1 312-375-0493 Illinois U.S.A.
  • 3123750494 | +1 312-375-0494 Illinois U.S.A.
  • 3123750495 | +1 312-375-0495 Illinois U.S.A.
  • 3123750496 | +1 312-375-0496 Illinois U.S.A.
  • 3123750497 | +1 312-375-0497 Illinois U.S.A.
  • 3123750498 | +1 312-375-0498 Illinois U.S.A.
  • 3123750499 | +1 312-375-0499 Illinois U.S.A.