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).

  • 3128311500 | +1 312-831-1500 Illinois U.S.A.
  • 3128311501 | +1 312-831-1501 Illinois U.S.A.
  • 3128311502 | +1 312-831-1502 Illinois U.S.A.
  • 3128311503 | +1 312-831-1503 Illinois U.S.A.
  • 3128311504 | +1 312-831-1504 Illinois U.S.A.
  • 3128311505 | +1 312-831-1505 Illinois U.S.A.
  • 3128311506 | +1 312-831-1506 Illinois U.S.A.
  • 3128311507 | +1 312-831-1507 Illinois U.S.A.
  • 3128311508 | +1 312-831-1508 Illinois U.S.A.
  • 3128311509 | +1 312-831-1509 Illinois U.S.A.
  • 3128311510 | +1 312-831-1510 Illinois U.S.A.
  • 3128311511 | +1 312-831-1511 Illinois U.S.A.
  • 3128311512 | +1 312-831-1512 Illinois U.S.A.
  • 3128311513 | +1 312-831-1513 Illinois U.S.A.
  • 3128311514 | +1 312-831-1514 Illinois U.S.A.
  • 3128311515 | +1 312-831-1515 Illinois U.S.A.
  • 3128311516 | +1 312-831-1516 Illinois U.S.A.
  • 3128311517 | +1 312-831-1517 Illinois U.S.A.
  • 3128311518 | +1 312-831-1518 Illinois U.S.A.
  • 3128311519 | +1 312-831-1519 Illinois U.S.A.
  • 3128311520 | +1 312-831-1520 Illinois U.S.A.
  • 3128311521 | +1 312-831-1521 Illinois U.S.A.
  • 3128311522 | +1 312-831-1522 Illinois U.S.A.
  • 3128311523 | +1 312-831-1523 Illinois U.S.A.
  • 3128311524 | +1 312-831-1524 Illinois U.S.A.
  • 3128311525 | +1 312-831-1525 Illinois U.S.A.
  • 3128311526 | +1 312-831-1526 Illinois U.S.A.
  • 3128311527 | +1 312-831-1527 Illinois U.S.A.
  • 3128311528 | +1 312-831-1528 Illinois U.S.A.
  • 3128311529 | +1 312-831-1529 Illinois U.S.A.
  • 3128311530 | +1 312-831-1530 Illinois U.S.A.
  • 3128311531 | +1 312-831-1531 Illinois U.S.A.
  • 3128311532 | +1 312-831-1532 Illinois U.S.A.
  • 3128311533 | +1 312-831-1533 Illinois U.S.A.
  • 3128311534 | +1 312-831-1534 Illinois U.S.A.
  • 3128311535 | +1 312-831-1535 Illinois U.S.A.
  • 3128311536 | +1 312-831-1536 Illinois U.S.A.
  • 3128311537 | +1 312-831-1537 Illinois U.S.A.
  • 3128311538 | +1 312-831-1538 Illinois U.S.A.
  • 3128311539 | +1 312-831-1539 Illinois U.S.A.
  • 3128311540 | +1 312-831-1540 Illinois U.S.A.
  • 3128311541 | +1 312-831-1541 Illinois U.S.A.
  • 3128311542 | +1 312-831-1542 Illinois U.S.A.
  • 3128311543 | +1 312-831-1543 Illinois U.S.A.
  • 3128311544 | +1 312-831-1544 Illinois U.S.A.
  • 3128311545 | +1 312-831-1545 Illinois U.S.A.
  • 3128311546 | +1 312-831-1546 Illinois U.S.A.
  • 3128311547 | +1 312-831-1547 Illinois U.S.A.
  • 3128311548 | +1 312-831-1548 Illinois U.S.A.
  • 3128311549 | +1 312-831-1549 Illinois U.S.A.
  • 3128311550 | +1 312-831-1550 Illinois U.S.A.
  • 3128311551 | +1 312-831-1551 Illinois U.S.A.
  • 3128311552 | +1 312-831-1552 Illinois U.S.A.
  • 3128311553 | +1 312-831-1553 Illinois U.S.A.
  • 3128311554 | +1 312-831-1554 Illinois U.S.A.
  • 3128311555 | +1 312-831-1555 Illinois U.S.A.
  • 3128311556 | +1 312-831-1556 Illinois U.S.A.
  • 3128311557 | +1 312-831-1557 Illinois U.S.A.
  • 3128311558 | +1 312-831-1558 Illinois U.S.A.
  • 3128311559 | +1 312-831-1559 Illinois U.S.A.
  • 3128311560 | +1 312-831-1560 Illinois U.S.A.
  • 3128311561 | +1 312-831-1561 Illinois U.S.A.
  • 3128311562 | +1 312-831-1562 Illinois U.S.A.
  • 3128311563 | +1 312-831-1563 Illinois U.S.A.
  • 3128311564 | +1 312-831-1564 Illinois U.S.A.
  • 3128311565 | +1 312-831-1565 Illinois U.S.A.
  • 3128311566 | +1 312-831-1566 Illinois U.S.A.
  • 3128311567 | +1 312-831-1567 Illinois U.S.A.
  • 3128311568 | +1 312-831-1568 Illinois U.S.A.
  • 3128311569 | +1 312-831-1569 Illinois U.S.A.
  • 3128311570 | +1 312-831-1570 Illinois U.S.A.
  • 3128311571 | +1 312-831-1571 Illinois U.S.A.
  • 3128311572 | +1 312-831-1572 Illinois U.S.A.
  • 3128311573 | +1 312-831-1573 Illinois U.S.A.
  • 3128311574 | +1 312-831-1574 Illinois U.S.A.
  • 3128311575 | +1 312-831-1575 Illinois U.S.A.
  • 3128311576 | +1 312-831-1576 Illinois U.S.A.
  • 3128311577 | +1 312-831-1577 Illinois U.S.A.
  • 3128311578 | +1 312-831-1578 Illinois U.S.A.
  • 3128311579 | +1 312-831-1579 Illinois U.S.A.
  • 3128311580 | +1 312-831-1580 Illinois U.S.A.
  • 3128311581 | +1 312-831-1581 Illinois U.S.A.
  • 3128311582 | +1 312-831-1582 Illinois U.S.A.
  • 3128311583 | +1 312-831-1583 Illinois U.S.A.
  • 3128311584 | +1 312-831-1584 Illinois U.S.A.
  • 3128311585 | +1 312-831-1585 Illinois U.S.A.
  • 3128311586 | +1 312-831-1586 Illinois U.S.A.
  • 3128311587 | +1 312-831-1587 Illinois U.S.A.
  • 3128311588 | +1 312-831-1588 Illinois U.S.A.
  • 3128311589 | +1 312-831-1589 Illinois U.S.A.
  • 3128311590 | +1 312-831-1590 Illinois U.S.A.
  • 3128311591 | +1 312-831-1591 Illinois U.S.A.
  • 3128311592 | +1 312-831-1592 Illinois U.S.A.
  • 3128311593 | +1 312-831-1593 Illinois U.S.A.
  • 3128311594 | +1 312-831-1594 Illinois U.S.A.
  • 3128311595 | +1 312-831-1595 Illinois U.S.A.
  • 3128311596 | +1 312-831-1596 Illinois U.S.A.
  • 3128311597 | +1 312-831-1597 Illinois U.S.A.
  • 3128311598 | +1 312-831-1598 Illinois U.S.A.
  • 3128311599 | +1 312-831-1599 Illinois U.S.A.