< Back to Area Codes
- Exchange 224-200 - Arlington Heights
- Exchange 224-201 - Arlington Heights
- Exchange 224-202 - Arlington Heights
- Exchange 224-207 - Libertyville
- Exchange 224-208 - Bartlett
- Exchange 224-210 - Arlington Heights
- Exchange 224-212 - Lake Forest
- Exchange 224-213 - Northbrook
- Exchange 224-216 - Winnetka
- Exchange 224-217 - Des Plaines
- Exchange 224-218 - Hampshire
- Exchange 224-220 - Des Plaines
- Exchange 224-221 - Northbrook
- Exchange 224-222 - Elk Grove Village
- Exchange 224-223 - Northbrook
- Exchange 224-225 - Fox Lake
- Exchange 224-232 - Arlington Heights
- Exchange 224-233 - Skokie
- Exchange 224-234 - Northbrook
- Exchange 224-238 - Elgin
- Exchange 224-260 - West Chicago
- Exchange 224-265 - Elk Grove Village
- Exchange 224-267 - Antioch
- Exchange 224-270 - Deerfield
- Exchange 224-280 - Waukegan
- Exchange 224-286 - Lake Zurich
- Exchange 224-293 - East Dundee
- Exchange 224-305 - Northbrook
- Exchange 224-306 - Northbrook
- Exchange 224-320 - Lake Zurich
- Exchange 224-321 - Waukegan
- Exchange 224-325 - Elgin
- Exchange 224-330 - Northbrook
- Exchange 224-333 - Algonquin
- Exchange 224-338 - Round Lake
- Exchange 224-343 - Northbrook
- Exchange 224-345 - Arlington Heights
- Exchange 224-351 - Lincolnshire
- Exchange 224-353 - Roselle
- Exchange 224-355 - Northbrook
- Exchange 224-356 - Elk Grove Village
- Exchange 224-357 - Cary
- Exchange 224-359 - Elgin
- Exchange 224-361 - Des Plaines
- Exchange 224-364 - Evanston
- Exchange 224-365 - Northbrook
- Exchange 224-366 - Elk Grove Village
- Exchange 224-372 - Lake Villa
- Exchange 224-374 - Northbrook
- Exchange 224-377 - Lincolnshire
- Exchange 224-381 - Waukegan
- Exchange 224-383 - Northbrook
- Exchange 224-387 - Arlington Heights
- Exchange 224-388 - Arlington Heights
- Exchange 224-392 - Northbrook
- Exchange 224-399 - North Chicago
- Exchange 224-402 - Elgin
- Exchange 224-405 - Northbrook
- Exchange 224-406 - Northbrook
- Exchange 224-420 - Evanston
- Exchange 224-422 - Des Plaines
- Exchange 224-425 - Arlington Heights
- Exchange 224-430 - Waukegan
- Exchange 224-433 - Libertyville
- Exchange 224-436 - Lake Forest
- Exchange 224-440 - Waukegan
- Exchange 224-441 - Waukegan
- Exchange 224-444 - Lake Villa
- Exchange 224-456 - Northbrook
- Exchange 224-465 - Arlington Heights
- Exchange 224-473 - Deerfield
- Exchange 224-475 - Libertyville
- Exchange 224-484 - East Dundee
- Exchange 224-489 - Barrington
- Exchange 224-512 - Barrington
- Exchange 224-513 - Libertyville
- Exchange 224-515 - Deerfield
- Exchange 224-520 - Roselle
- Exchange 224-521 - West Chicago
- Exchange 224-522 - Northbrook
- Exchange 224-523 - Elgin
- Exchange 224-531 - Des Plaines
- Exchange 224-532 - Wheeling
- Exchange 224-533 - Deerfield
- Exchange 224-534 - Skokie
- Exchange 224-535 - Elgin
- Exchange 224-538 - Waukegan
- Exchange 224-542 - Wheeling
- Exchange 224-543 - Lincolnshire
- Exchange 224-544 - Lake Forest
- Exchange 224-545 - Northbrook
- Exchange 224-548 - Northbrook
- Exchange 224-552 - Lake Forest
- Exchange 224-554 - Deerfield
- Exchange 224-558 - Arlington Heights
- Exchange 224-562 - Arlington Heights
- Exchange 224-563 - Des Plaines
- Exchange 224-565 - Northbrook
- Exchange 224-567 - Des Plaines
- Exchange 224-569 - Huntley
- Exchange 224-572 - North Chicago
- Exchange 224-577 - Round Lake
- Exchange 224-578 - Palatine
- Exchange 224-585 - Park Ridge
- Exchange 224-587 - Arlington Heights
- Exchange 224-588 - Wheeling
- Exchange 224-592 - Skokie
- Exchange 224-595 - Arlington Heights
- Exchange 224-596 - Arlington Heights
- Exchange 224-603 - Antioch
- Exchange 224-610 - Waukegan
- Exchange 224-612 - Des Plaines
- Exchange 224-616 - West Chicago
- Exchange 224-619 - Deerfield
- Exchange 224-622 - Barrington
- Exchange 224-623 - Algonquin
- Exchange 224-625 - Arlington Heights
- Exchange 224-627 - Waukegan
- Exchange 224-628 - Northbrook
- Exchange 224-629 - Elgin
- Exchange 224-632 - Deerfield
- Exchange 224-633 - Barrington
- Exchange 224-634 - Barrington
- Exchange 224-635 - Elk Grove Village
- Exchange 224-636 - Northbrook
- Exchange 224-637 - Waukegan
- Exchange 224-639 - Northbrook
- Exchange 224-643 - Lake Villa
- Exchange 224-645 - Northbrook
- Exchange 224-649 - Northbrook
- Exchange 224-650 - Huntley
- Exchange 224-653 - Hoffman Estates
- Exchange 224-654 - Huntley
- Exchange 224-655 - Barrington
- Exchange 224-656 - Waukegan
- Exchange 224-659 - Elk Grove Village
- Exchange 224-676 - Wheeling
- Exchange 224-677 - Lake Zurich
- Exchange 224-678 - Algonquin
- Exchange 224-688 - Northbrook
- Exchange 224-698 - Schaumburg
- Exchange 224-699 - East Dundee
- Exchange 224-715 - Libertyville
- Exchange 224-717 - Zion
- Exchange 224-723 - Northbrook
- Exchange 224-725 - Des Plaines
- Exchange 224-730 - Zion
- Exchange 224-735 - Arlington Heights
- Exchange 224-757 - Round Lake
- Exchange 224-764 - Arlington Heights
- Exchange 224-765 - Deerfield
- Exchange 224-766 - West Chicago
- Exchange 224-770 - Barrington
- Exchange 224-772 - North Chicago
- Exchange 224-778 - Libertyville
- Exchange 224-783 - Elgin
- Exchange 224-788 - Antioch
- Exchange 224-789 - Zion
- Exchange 224-795 - Arlington Heights
- Exchange 224-805 - Arlington Heights
- Exchange 224-829 - Algonquin
- Exchange 224-836 - Palatine
- Exchange 224-848 - Barrington
- Exchange 224-856 - Elgin
- Exchange 224-858 - Huntley
- Exchange 224-875 - Elk Grove Village
- Exchange 224-927 - Northbrook
- Exchange 224-938 - Des Plaines
- Exchange 224-940 - Round Lake
- Exchange 224-944 - Waukegan
- Exchange 224-948 - Round Lake
- Exchange 224-990 - Plato Center
- Exchange 224-993 - Wauconda