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).

  • 3129020400 | +1 312-902-0400 Illinois U.S.A.
  • 3129020401 | +1 312-902-0401 Illinois U.S.A.
  • 3129020402 | +1 312-902-0402 Illinois U.S.A.
  • 3129020403 | +1 312-902-0403 Illinois U.S.A.
  • 3129020404 | +1 312-902-0404 Illinois U.S.A.
  • 3129020405 | +1 312-902-0405 Illinois U.S.A.
  • 3129020406 | +1 312-902-0406 Illinois U.S.A.
  • 3129020407 | +1 312-902-0407 Illinois U.S.A.
  • 3129020408 | +1 312-902-0408 Illinois U.S.A.
  • 3129020409 | +1 312-902-0409 Illinois U.S.A.
  • 3129020410 | +1 312-902-0410 Illinois U.S.A.
  • 3129020411 | +1 312-902-0411 Illinois U.S.A.
  • 3129020412 | +1 312-902-0412 Illinois U.S.A.
  • 3129020413 | +1 312-902-0413 Illinois U.S.A.
  • 3129020414 | +1 312-902-0414 Illinois U.S.A.
  • 3129020415 | +1 312-902-0415 Illinois U.S.A.
  • 3129020416 | +1 312-902-0416 Illinois U.S.A.
  • 3129020417 | +1 312-902-0417 Illinois U.S.A.
  • 3129020418 | +1 312-902-0418 Illinois U.S.A.
  • 3129020419 | +1 312-902-0419 Illinois U.S.A.
  • 3129020420 | +1 312-902-0420 Illinois U.S.A.
  • 3129020421 | +1 312-902-0421 Illinois U.S.A.
  • 3129020422 | +1 312-902-0422 Illinois U.S.A.
  • 3129020423 | +1 312-902-0423 Illinois U.S.A.
  • 3129020424 | +1 312-902-0424 Illinois U.S.A.
  • 3129020425 | +1 312-902-0425 Illinois U.S.A.
  • 3129020426 | +1 312-902-0426 Illinois U.S.A.
  • 3129020427 | +1 312-902-0427 Illinois U.S.A.
  • 3129020428 | +1 312-902-0428 Illinois U.S.A.
  • 3129020429 | +1 312-902-0429 Illinois U.S.A.
  • 3129020430 | +1 312-902-0430 Illinois U.S.A.
  • 3129020431 | +1 312-902-0431 Illinois U.S.A.
  • 3129020432 | +1 312-902-0432 Illinois U.S.A.
  • 3129020433 | +1 312-902-0433 Illinois U.S.A.
  • 3129020434 | +1 312-902-0434 Illinois U.S.A.
  • 3129020435 | +1 312-902-0435 Illinois U.S.A.
  • 3129020436 | +1 312-902-0436 Illinois U.S.A.
  • 3129020437 | +1 312-902-0437 Illinois U.S.A.
  • 3129020438 | +1 312-902-0438 Illinois U.S.A.
  • 3129020439 | +1 312-902-0439 Illinois U.S.A.
  • 3129020440 | +1 312-902-0440 Illinois U.S.A.
  • 3129020441 | +1 312-902-0441 Illinois U.S.A.
  • 3129020442 | +1 312-902-0442 Illinois U.S.A.
  • 3129020443 | +1 312-902-0443 Illinois U.S.A.
  • 3129020444 | +1 312-902-0444 Illinois U.S.A.
  • 3129020445 | +1 312-902-0445 Illinois U.S.A.
  • 3129020446 | +1 312-902-0446 Illinois U.S.A.
  • 3129020447 | +1 312-902-0447 Illinois U.S.A.
  • 3129020448 | +1 312-902-0448 Illinois U.S.A.
  • 3129020449 | +1 312-902-0449 Illinois U.S.A.
  • 3129020450 | +1 312-902-0450 Illinois U.S.A.
  • 3129020451 | +1 312-902-0451 Illinois U.S.A.
  • 3129020452 | +1 312-902-0452 Illinois U.S.A.
  • 3129020453 | +1 312-902-0453 Illinois U.S.A.
  • 3129020454 | +1 312-902-0454 Illinois U.S.A.
  • 3129020455 | +1 312-902-0455 Illinois U.S.A.
  • 3129020456 | +1 312-902-0456 Illinois U.S.A.
  • 3129020457 | +1 312-902-0457 Illinois U.S.A.
  • 3129020458 | +1 312-902-0458 Illinois U.S.A.
  • 3129020459 | +1 312-902-0459 Illinois U.S.A.
  • 3129020460 | +1 312-902-0460 Illinois U.S.A.
  • 3129020461 | +1 312-902-0461 Illinois U.S.A.
  • 3129020462 | +1 312-902-0462 Illinois U.S.A.
  • 3129020463 | +1 312-902-0463 Illinois U.S.A.
  • 3129020464 | +1 312-902-0464 Illinois U.S.A.
  • 3129020465 | +1 312-902-0465 Illinois U.S.A.
  • 3129020466 | +1 312-902-0466 Illinois U.S.A.
  • 3129020467 | +1 312-902-0467 Illinois U.S.A.
  • 3129020468 | +1 312-902-0468 Illinois U.S.A.
  • 3129020469 | +1 312-902-0469 Illinois U.S.A.
  • 3129020470 | +1 312-902-0470 Illinois U.S.A.
  • 3129020471 | +1 312-902-0471 Illinois U.S.A.
  • 3129020472 | +1 312-902-0472 Illinois U.S.A.
  • 3129020473 | +1 312-902-0473 Illinois U.S.A.
  • 3129020474 | +1 312-902-0474 Illinois U.S.A.
  • 3129020475 | +1 312-902-0475 Illinois U.S.A.
  • 3129020476 | +1 312-902-0476 Illinois U.S.A.
  • 3129020477 | +1 312-902-0477 Illinois U.S.A.
  • 3129020478 | +1 312-902-0478 Illinois U.S.A.
  • 3129020479 | +1 312-902-0479 Illinois U.S.A.
  • 3129020480 | +1 312-902-0480 Illinois U.S.A.
  • 3129020481 | +1 312-902-0481 Illinois U.S.A.
  • 3129020482 | +1 312-902-0482 Illinois U.S.A.
  • 3129020483 | +1 312-902-0483 Illinois U.S.A.
  • 3129020484 | +1 312-902-0484 Illinois U.S.A.
  • 3129020485 | +1 312-902-0485 Illinois U.S.A.
  • 3129020486 | +1 312-902-0486 Illinois U.S.A.
  • 3129020487 | +1 312-902-0487 Illinois U.S.A.
  • 3129020488 | +1 312-902-0488 Illinois U.S.A.
  • 3129020489 | +1 312-902-0489 Illinois U.S.A.
  • 3129020490 | +1 312-902-0490 Illinois U.S.A.
  • 3129020491 | +1 312-902-0491 Illinois U.S.A.
  • 3129020492 | +1 312-902-0492 Illinois U.S.A.
  • 3129020493 | +1 312-902-0493 Illinois U.S.A.
  • 3129020494 | +1 312-902-0494 Illinois U.S.A.
  • 3129020495 | +1 312-902-0495 Illinois U.S.A.
  • 3129020496 | +1 312-902-0496 Illinois U.S.A.
  • 3129020497 | +1 312-902-0497 Illinois U.S.A.
  • 3129020498 | +1 312-902-0498 Illinois U.S.A.
  • 3129020499 | +1 312-902-0499 Illinois U.S.A.