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).

  • 3123800400 | +1 312-380-0400 Illinois U.S.A.
  • 3123800401 | +1 312-380-0401 Illinois U.S.A.
  • 3123800402 | +1 312-380-0402 Illinois U.S.A.
  • 3123800403 | +1 312-380-0403 Illinois U.S.A.
  • 3123800404 | +1 312-380-0404 Illinois U.S.A.
  • 3123800405 | +1 312-380-0405 Illinois U.S.A.
  • 3123800406 | +1 312-380-0406 Illinois U.S.A.
  • 3123800407 | +1 312-380-0407 Illinois U.S.A.
  • 3123800408 | +1 312-380-0408 Illinois U.S.A.
  • 3123800409 | +1 312-380-0409 Illinois U.S.A.
  • 3123800410 | +1 312-380-0410 Illinois U.S.A.
  • 3123800411 | +1 312-380-0411 Illinois U.S.A.
  • 3123800412 | +1 312-380-0412 Illinois U.S.A.
  • 3123800413 | +1 312-380-0413 Illinois U.S.A.
  • 3123800414 | +1 312-380-0414 Illinois U.S.A.
  • 3123800415 | +1 312-380-0415 Illinois U.S.A.
  • 3123800416 | +1 312-380-0416 Illinois U.S.A.
  • 3123800417 | +1 312-380-0417 Illinois U.S.A.
  • 3123800418 | +1 312-380-0418 Illinois U.S.A.
  • 3123800419 | +1 312-380-0419 Illinois U.S.A.
  • 3123800420 | +1 312-380-0420 Illinois U.S.A.
  • 3123800421 | +1 312-380-0421 Illinois U.S.A.
  • 3123800422 | +1 312-380-0422 Illinois U.S.A.
  • 3123800423 | +1 312-380-0423 Illinois U.S.A.
  • 3123800424 | +1 312-380-0424 Illinois U.S.A.
  • 3123800425 | +1 312-380-0425 Illinois U.S.A.
  • 3123800426 | +1 312-380-0426 Illinois U.S.A.
  • 3123800427 | +1 312-380-0427 Illinois U.S.A.
  • 3123800428 | +1 312-380-0428 Illinois U.S.A.
  • 3123800429 | +1 312-380-0429 Illinois U.S.A.
  • 3123800430 | +1 312-380-0430 Illinois U.S.A.
  • 3123800431 | +1 312-380-0431 Illinois U.S.A.
  • 3123800432 | +1 312-380-0432 Illinois U.S.A.
  • 3123800433 | +1 312-380-0433 Illinois U.S.A.
  • 3123800434 | +1 312-380-0434 Illinois U.S.A.
  • 3123800435 | +1 312-380-0435 Illinois U.S.A.
  • 3123800436 | +1 312-380-0436 Illinois U.S.A.
  • 3123800437 | +1 312-380-0437 Illinois U.S.A.
  • 3123800438 | +1 312-380-0438 Illinois U.S.A.
  • 3123800439 | +1 312-380-0439 Illinois U.S.A.
  • 3123800440 | +1 312-380-0440 Illinois U.S.A.
  • 3123800441 | +1 312-380-0441 Illinois U.S.A.
  • 3123800442 | +1 312-380-0442 Illinois U.S.A.
  • 3123800443 | +1 312-380-0443 Illinois U.S.A.
  • 3123800444 | +1 312-380-0444 Illinois U.S.A.
  • 3123800445 | +1 312-380-0445 Illinois U.S.A.
  • 3123800446 | +1 312-380-0446 Illinois U.S.A.
  • 3123800447 | +1 312-380-0447 Illinois U.S.A.
  • 3123800448 | +1 312-380-0448 Illinois U.S.A.
  • 3123800449 | +1 312-380-0449 Illinois U.S.A.
  • 3123800450 | +1 312-380-0450 Illinois U.S.A.
  • 3123800451 | +1 312-380-0451 Illinois U.S.A.
  • 3123800452 | +1 312-380-0452 Illinois U.S.A.
  • 3123800453 | +1 312-380-0453 Illinois U.S.A.
  • 3123800454 | +1 312-380-0454 Illinois U.S.A.
  • 3123800455 | +1 312-380-0455 Illinois U.S.A.
  • 3123800456 | +1 312-380-0456 Illinois U.S.A.
  • 3123800457 | +1 312-380-0457 Illinois U.S.A.
  • 3123800458 | +1 312-380-0458 Illinois U.S.A.
  • 3123800459 | +1 312-380-0459 Illinois U.S.A.
  • 3123800460 | +1 312-380-0460 Illinois U.S.A.
  • 3123800461 | +1 312-380-0461 Illinois U.S.A.
  • 3123800462 | +1 312-380-0462 Illinois U.S.A.
  • 3123800463 | +1 312-380-0463 Illinois U.S.A.
  • 3123800464 | +1 312-380-0464 Illinois U.S.A.
  • 3123800465 | +1 312-380-0465 Illinois U.S.A.
  • 3123800466 | +1 312-380-0466 Illinois U.S.A.
  • 3123800467 | +1 312-380-0467 Illinois U.S.A.
  • 3123800468 | +1 312-380-0468 Illinois U.S.A.
  • 3123800469 | +1 312-380-0469 Illinois U.S.A.
  • 3123800470 | +1 312-380-0470 Illinois U.S.A.
  • 3123800471 | +1 312-380-0471 Illinois U.S.A.
  • 3123800472 | +1 312-380-0472 Illinois U.S.A.
  • 3123800473 | +1 312-380-0473 Illinois U.S.A.
  • 3123800474 | +1 312-380-0474 Illinois U.S.A.
  • 3123800475 | +1 312-380-0475 Illinois U.S.A.
  • 3123800476 | +1 312-380-0476 Illinois U.S.A.
  • 3123800477 | +1 312-380-0477 Illinois U.S.A.
  • 3123800478 | +1 312-380-0478 Illinois U.S.A.
  • 3123800479 | +1 312-380-0479 Illinois U.S.A.
  • 3123800480 | +1 312-380-0480 Illinois U.S.A.
  • 3123800481 | +1 312-380-0481 Illinois U.S.A.
  • 3123800482 | +1 312-380-0482 Illinois U.S.A.
  • 3123800483 | +1 312-380-0483 Illinois U.S.A.
  • 3123800484 | +1 312-380-0484 Illinois U.S.A.
  • 3123800485 | +1 312-380-0485 Illinois U.S.A.
  • 3123800486 | +1 312-380-0486 Illinois U.S.A.
  • 3123800487 | +1 312-380-0487 Illinois U.S.A.
  • 3123800488 | +1 312-380-0488 Illinois U.S.A.
  • 3123800489 | +1 312-380-0489 Illinois U.S.A.
  • 3123800490 | +1 312-380-0490 Illinois U.S.A.
  • 3123800491 | +1 312-380-0491 Illinois U.S.A.
  • 3123800492 | +1 312-380-0492 Illinois U.S.A.
  • 3123800493 | +1 312-380-0493 Illinois U.S.A.
  • 3123800494 | +1 312-380-0494 Illinois U.S.A.
  • 3123800495 | +1 312-380-0495 Illinois U.S.A.
  • 3123800496 | +1 312-380-0496 Illinois U.S.A.
  • 3123800497 | +1 312-380-0497 Illinois U.S.A.
  • 3123800498 | +1 312-380-0498 Illinois U.S.A.
  • 3123800499 | +1 312-380-0499 Illinois U.S.A.