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).

  • 3128507400 | +1 312-850-7400 Illinois U.S.A.
  • 3128507401 | +1 312-850-7401 Illinois U.S.A.
  • 3128507402 | +1 312-850-7402 Illinois U.S.A.
  • 3128507403 | +1 312-850-7403 Illinois U.S.A.
  • 3128507404 | +1 312-850-7404 Illinois U.S.A.
  • 3128507405 | +1 312-850-7405 Illinois U.S.A.
  • 3128507406 | +1 312-850-7406 Illinois U.S.A.
  • 3128507407 | +1 312-850-7407 Illinois U.S.A.
  • 3128507408 | +1 312-850-7408 Illinois U.S.A.
  • 3128507409 | +1 312-850-7409 Illinois U.S.A.
  • 3128507410 | +1 312-850-7410 Illinois U.S.A.
  • 3128507411 | +1 312-850-7411 Illinois U.S.A.
  • 3128507412 | +1 312-850-7412 Illinois U.S.A.
  • 3128507413 | +1 312-850-7413 Illinois U.S.A.
  • 3128507414 | +1 312-850-7414 Illinois U.S.A.
  • 3128507415 | +1 312-850-7415 Illinois U.S.A.
  • 3128507416 | +1 312-850-7416 Illinois U.S.A.
  • 3128507417 | +1 312-850-7417 Illinois U.S.A.
  • 3128507418 | +1 312-850-7418 Illinois U.S.A.
  • 3128507419 | +1 312-850-7419 Illinois U.S.A.
  • 3128507420 | +1 312-850-7420 Illinois U.S.A.
  • 3128507421 | +1 312-850-7421 Illinois U.S.A.
  • 3128507422 | +1 312-850-7422 Illinois U.S.A.
  • 3128507423 | +1 312-850-7423 Illinois U.S.A.
  • 3128507424 | +1 312-850-7424 Illinois U.S.A.
  • 3128507425 | +1 312-850-7425 Illinois U.S.A.
  • 3128507426 | +1 312-850-7426 Illinois U.S.A.
  • 3128507427 | +1 312-850-7427 Illinois U.S.A.
  • 3128507428 | +1 312-850-7428 Illinois U.S.A.
  • 3128507429 | +1 312-850-7429 Illinois U.S.A.
  • 3128507430 | +1 312-850-7430 Illinois U.S.A.
  • 3128507431 | +1 312-850-7431 Illinois U.S.A.
  • 3128507432 | +1 312-850-7432 Illinois U.S.A.
  • 3128507433 | +1 312-850-7433 Illinois U.S.A.
  • 3128507434 | +1 312-850-7434 Illinois U.S.A.
  • 3128507435 | +1 312-850-7435 Illinois U.S.A.
  • 3128507436 | +1 312-850-7436 Illinois U.S.A.
  • 3128507437 | +1 312-850-7437 Illinois U.S.A.
  • 3128507438 | +1 312-850-7438 Illinois U.S.A.
  • 3128507439 | +1 312-850-7439 Illinois U.S.A.
  • 3128507440 | +1 312-850-7440 Illinois U.S.A.
  • 3128507441 | +1 312-850-7441 Illinois U.S.A.
  • 3128507442 | +1 312-850-7442 Illinois U.S.A.
  • 3128507443 | +1 312-850-7443 Illinois U.S.A.
  • 3128507444 | +1 312-850-7444 Illinois U.S.A.
  • 3128507445 | +1 312-850-7445 Illinois U.S.A.
  • 3128507446 | +1 312-850-7446 Illinois U.S.A.
  • 3128507447 | +1 312-850-7447 Illinois U.S.A.
  • 3128507448 | +1 312-850-7448 Illinois U.S.A.
  • 3128507449 | +1 312-850-7449 Illinois U.S.A.
  • 3128507450 | +1 312-850-7450 Illinois U.S.A.
  • 3128507451 | +1 312-850-7451 Illinois U.S.A.
  • 3128507452 | +1 312-850-7452 Illinois U.S.A.
  • 3128507453 | +1 312-850-7453 Illinois U.S.A.
  • 3128507454 | +1 312-850-7454 Illinois U.S.A.
  • 3128507455 | +1 312-850-7455 Illinois U.S.A.
  • 3128507456 | +1 312-850-7456 Illinois U.S.A.
  • 3128507457 | +1 312-850-7457 Illinois U.S.A.
  • 3128507458 | +1 312-850-7458 Illinois U.S.A.
  • 3128507459 | +1 312-850-7459 Illinois U.S.A.
  • 3128507460 | +1 312-850-7460 Illinois U.S.A.
  • 3128507461 | +1 312-850-7461 Illinois U.S.A.
  • 3128507462 | +1 312-850-7462 Illinois U.S.A.
  • 3128507463 | +1 312-850-7463 Illinois U.S.A.
  • 3128507464 | +1 312-850-7464 Illinois U.S.A.
  • 3128507465 | +1 312-850-7465 Illinois U.S.A.
  • 3128507466 | +1 312-850-7466 Illinois U.S.A.
  • 3128507467 | +1 312-850-7467 Illinois U.S.A.
  • 3128507468 | +1 312-850-7468 Illinois U.S.A.
  • 3128507469 | +1 312-850-7469 Illinois U.S.A.
  • 3128507470 | +1 312-850-7470 Illinois U.S.A.
  • 3128507471 | +1 312-850-7471 Illinois U.S.A.
  • 3128507472 | +1 312-850-7472 Illinois U.S.A.
  • 3128507473 | +1 312-850-7473 Illinois U.S.A.
  • 3128507474 | +1 312-850-7474 Illinois U.S.A.
  • 3128507475 | +1 312-850-7475 Illinois U.S.A.
  • 3128507476 | +1 312-850-7476 Illinois U.S.A.
  • 3128507477 | +1 312-850-7477 Illinois U.S.A.
  • 3128507478 | +1 312-850-7478 Illinois U.S.A.
  • 3128507479 | +1 312-850-7479 Illinois U.S.A.
  • 3128507480 | +1 312-850-7480 Illinois U.S.A.
  • 3128507481 | +1 312-850-7481 Illinois U.S.A.
  • 3128507482 | +1 312-850-7482 Illinois U.S.A.
  • 3128507483 | +1 312-850-7483 Illinois U.S.A.
  • 3128507484 | +1 312-850-7484 Illinois U.S.A.
  • 3128507485 | +1 312-850-7485 Illinois U.S.A.
  • 3128507486 | +1 312-850-7486 Illinois U.S.A.
  • 3128507487 | +1 312-850-7487 Illinois U.S.A.
  • 3128507488 | +1 312-850-7488 Illinois U.S.A.
  • 3128507489 | +1 312-850-7489 Illinois U.S.A.
  • 3128507490 | +1 312-850-7490 Illinois U.S.A.
  • 3128507491 | +1 312-850-7491 Illinois U.S.A.
  • 3128507492 | +1 312-850-7492 Illinois U.S.A.
  • 3128507493 | +1 312-850-7493 Illinois U.S.A.
  • 3128507494 | +1 312-850-7494 Illinois U.S.A.
  • 3128507495 | +1 312-850-7495 Illinois U.S.A.
  • 3128507496 | +1 312-850-7496 Illinois U.S.A.
  • 3128507497 | +1 312-850-7497 Illinois U.S.A.
  • 3128507498 | +1 312-850-7498 Illinois U.S.A.
  • 3128507499 | +1 312-850-7499 Illinois U.S.A.