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).

  • 3125030400 | +1 312-503-0400 Illinois U.S.A.
  • 3125030401 | +1 312-503-0401 Illinois U.S.A.
  • 3125030402 | +1 312-503-0402 Illinois U.S.A.
  • 3125030403 | +1 312-503-0403 Illinois U.S.A.
  • 3125030404 | +1 312-503-0404 Illinois U.S.A.
  • 3125030405 | +1 312-503-0405 Illinois U.S.A.
  • 3125030406 | +1 312-503-0406 Illinois U.S.A.
  • 3125030407 | +1 312-503-0407 Illinois U.S.A.
  • 3125030408 | +1 312-503-0408 Illinois U.S.A.
  • 3125030409 | +1 312-503-0409 Illinois U.S.A.
  • 3125030410 | +1 312-503-0410 Illinois U.S.A.
  • 3125030411 | +1 312-503-0411 Illinois U.S.A.
  • 3125030412 | +1 312-503-0412 Illinois U.S.A.
  • 3125030413 | +1 312-503-0413 Illinois U.S.A.
  • 3125030414 | +1 312-503-0414 Illinois U.S.A.
  • 3125030415 | +1 312-503-0415 Illinois U.S.A.
  • 3125030416 | +1 312-503-0416 Illinois U.S.A.
  • 3125030417 | +1 312-503-0417 Illinois U.S.A.
  • 3125030418 | +1 312-503-0418 Illinois U.S.A.
  • 3125030419 | +1 312-503-0419 Illinois U.S.A.
  • 3125030420 | +1 312-503-0420 Illinois U.S.A.
  • 3125030421 | +1 312-503-0421 Illinois U.S.A.
  • 3125030422 | +1 312-503-0422 Illinois U.S.A.
  • 3125030423 | +1 312-503-0423 Illinois U.S.A.
  • 3125030424 | +1 312-503-0424 Illinois U.S.A.
  • 3125030425 | +1 312-503-0425 Illinois U.S.A.
  • 3125030426 | +1 312-503-0426 Illinois U.S.A.
  • 3125030427 | +1 312-503-0427 Illinois U.S.A.
  • 3125030428 | +1 312-503-0428 Illinois U.S.A.
  • 3125030429 | +1 312-503-0429 Illinois U.S.A.
  • 3125030430 | +1 312-503-0430 Illinois U.S.A.
  • 3125030431 | +1 312-503-0431 Illinois U.S.A.
  • 3125030432 | +1 312-503-0432 Illinois U.S.A.
  • 3125030433 | +1 312-503-0433 Illinois U.S.A.
  • 3125030434 | +1 312-503-0434 Illinois U.S.A.
  • 3125030435 | +1 312-503-0435 Illinois U.S.A.
  • 3125030436 | +1 312-503-0436 Illinois U.S.A.
  • 3125030437 | +1 312-503-0437 Illinois U.S.A.
  • 3125030438 | +1 312-503-0438 Illinois U.S.A.
  • 3125030439 | +1 312-503-0439 Illinois U.S.A.
  • 3125030440 | +1 312-503-0440 Illinois U.S.A.
  • 3125030441 | +1 312-503-0441 Illinois U.S.A.
  • 3125030442 | +1 312-503-0442 Illinois U.S.A.
  • 3125030443 | +1 312-503-0443 Illinois U.S.A.
  • 3125030444 | +1 312-503-0444 Illinois U.S.A.
  • 3125030445 | +1 312-503-0445 Illinois U.S.A.
  • 3125030446 | +1 312-503-0446 Illinois U.S.A.
  • 3125030447 | +1 312-503-0447 Illinois U.S.A.
  • 3125030448 | +1 312-503-0448 Illinois U.S.A.
  • 3125030449 | +1 312-503-0449 Illinois U.S.A.
  • 3125030450 | +1 312-503-0450 Illinois U.S.A.
  • 3125030451 | +1 312-503-0451 Illinois U.S.A.
  • 3125030452 | +1 312-503-0452 Illinois U.S.A.
  • 3125030453 | +1 312-503-0453 Illinois U.S.A.
  • 3125030454 | +1 312-503-0454 Illinois U.S.A.
  • 3125030455 | +1 312-503-0455 Illinois U.S.A.
  • 3125030456 | +1 312-503-0456 Illinois U.S.A.
  • 3125030457 | +1 312-503-0457 Illinois U.S.A.
  • 3125030458 | +1 312-503-0458 Illinois U.S.A.
  • 3125030459 | +1 312-503-0459 Illinois U.S.A.
  • 3125030460 | +1 312-503-0460 Illinois U.S.A.
  • 3125030461 | +1 312-503-0461 Illinois U.S.A.
  • 3125030462 | +1 312-503-0462 Illinois U.S.A.
  • 3125030463 | +1 312-503-0463 Illinois U.S.A.
  • 3125030464 | +1 312-503-0464 Illinois U.S.A.
  • 3125030465 | +1 312-503-0465 Illinois U.S.A.
  • 3125030466 | +1 312-503-0466 Illinois U.S.A.
  • 3125030467 | +1 312-503-0467 Illinois U.S.A.
  • 3125030468 | +1 312-503-0468 Illinois U.S.A.
  • 3125030469 | +1 312-503-0469 Illinois U.S.A.
  • 3125030470 | +1 312-503-0470 Illinois U.S.A.
  • 3125030471 | +1 312-503-0471 Illinois U.S.A.
  • 3125030472 | +1 312-503-0472 Illinois U.S.A.
  • 3125030473 | +1 312-503-0473 Illinois U.S.A.
  • 3125030474 | +1 312-503-0474 Illinois U.S.A.
  • 3125030475 | +1 312-503-0475 Illinois U.S.A.
  • 3125030476 | +1 312-503-0476 Illinois U.S.A.
  • 3125030477 | +1 312-503-0477 Illinois U.S.A.
  • 3125030478 | +1 312-503-0478 Illinois U.S.A.
  • 3125030479 | +1 312-503-0479 Illinois U.S.A.
  • 3125030480 | +1 312-503-0480 Illinois U.S.A.
  • 3125030481 | +1 312-503-0481 Illinois U.S.A.
  • 3125030482 | +1 312-503-0482 Illinois U.S.A.
  • 3125030483 | +1 312-503-0483 Illinois U.S.A.
  • 3125030484 | +1 312-503-0484 Illinois U.S.A.
  • 3125030485 | +1 312-503-0485 Illinois U.S.A.
  • 3125030486 | +1 312-503-0486 Illinois U.S.A.
  • 3125030487 | +1 312-503-0487 Illinois U.S.A.
  • 3125030488 | +1 312-503-0488 Illinois U.S.A.
  • 3125030489 | +1 312-503-0489 Illinois U.S.A.
  • 3125030490 | +1 312-503-0490 Illinois U.S.A.
  • 3125030491 | +1 312-503-0491 Illinois U.S.A.
  • 3125030492 | +1 312-503-0492 Illinois U.S.A.
  • 3125030493 | +1 312-503-0493 Illinois U.S.A.
  • 3125030494 | +1 312-503-0494 Illinois U.S.A.
  • 3125030495 | +1 312-503-0495 Illinois U.S.A.
  • 3125030496 | +1 312-503-0496 Illinois U.S.A.
  • 3125030497 | +1 312-503-0497 Illinois U.S.A.
  • 3125030498 | +1 312-503-0498 Illinois U.S.A.
  • 3125030499 | +1 312-503-0499 Illinois U.S.A.