Detailed Location Information for Prefixes in Area Code 815

Prefix Location
815-200 La Salle
815-201 Rockford
815-202 Oglesby
815-203 Joliet
815-204 Crystal Lake
815-205 La Grange Park
815-206 Woodstock
815-207 Joliet
815-208 Fulton
815-209 Rockford
815-210 Joliet
815-212 Joliet
815-213 Sterling
815-214 Kankakee
815-215 New Lenox
815-216 Kankakee
815-217 Dekalb
815-218 Rockford
815-219 Crystal Lake
815-220 La Salle
815-221 Lockport
815-222 Rockford
815-223 La Salle
815-224 La Salle
815-225 Milledgeville
815-226 Rockford
815-227 Rockford
815-228 Oglesby
815-229 Rockford
815-230 Plainfield
815-231 Rockford
815-232 Freeport
815-233 Freeport
815-234 Byron
815-235 Freeport
815-236 Woodstock
815-237 Gardner
815-238 Freeport
815-239 Pecatonica
815-240 Illinois
815-241 Glenview
815-242 Rockford
815-243 Rockford
815-244 Mount Carroll
815-245 Woodstock
815-246 Earlville
815-247 Pecatonica
815-248 Durand
815-249 Grand Ridge
815-250 La Salle
815-251 Illinois
815-252 Oglesby
815-253 Kempton
815-254 Plainfield
815-255 Minooka
815-256 Illinois
815-257 Streator
815-258 Joliet
815-259 Thomson
815-260 Joliet
815-261 Crystal Lake
815-262 Rockford
815-263 Kankakee
815-264 Waterman
815-265 Gilman
815-266 Freeport
815-267 Plainfield
815-268 Onarga
815-269 Danforth
815-270 Lanark
815-271 Mchenry
815-272 Joliet
815-273 Savanna
815-274 Joliet
815-275 Freeport
815-276 Crystal Lake
815-277 Frankfort
815-278 Kankakee
815-279 Kankakee
815-280 Joliet
815-281 Illinois
815-282 Loves Park
815-283 Dekalb
815-284 Dixon
815-285 Dixon
815-286 Hinckley
815-287 Verona
815-288 Dixon
815-289 Rockford
815-290 Minooka
815-291 Freeport
815-292 Illinois
815-293 Lockport
815-294 La Grange Park
815-295 Kankakee
815-296 Rockford
815-297 Freeport
815-298 Rockford
815-299 Rockford
815-300 Chicago
815-301 Crystal Lake
815-302 Joliet
815-303 Princeton
815-304 Kankakee
815-305 Gardner
815-306 Lockport
815-307 Mchenry
815-308 Woodstock
815-309 Shannon
815-310 Utica
815-312 Rockford
815-313 Ottawa
815-314 Manhattan
815-315 Rockford
815-316 Rockford
815-317 Crescent City
815-318 Morris
815-319 Rockford
815-320 Kankakee
815-321 Woodstock
815-322 Mchenry
815-323 Belvidere
815-324 Ottawa
815-325 Joliet
815-326 Oglesby
815-327 Plainfield
815-328 Lockport
815-329 Rockford
815-330 Crescent City
815-331 Mchenry
815-332 Cherry Valley
815-333 Woodstock
815-334 Woodstock
815-335 Winnebago
815-336 Illinois
815-337 Woodstock
815-338 Woodstock
815-339 Granville
815-340 La Moille
815-341 Joliet
815-342 Joliet
815-343 Oglesby
815-344 Mchenry
815-345 Woodstock
815-346 Gardner
815-347 Woodstock
815-348 Kankakee
815-349 Mchenry
815-350 Ashton
815-351 Kankakee
815-352 Kankakee
815-353 Woodstock
815-354 Woodstock
815-355 Woodstock
815-356 Crystal Lake
815-357 Seneca
815-358 Cornell
815-359 Harmon
815-360 Sublette
815-361 Manhattan
815-362 German Valley
815-363 Mchenry
815-364 Morris
815-365 Reddick
815-366 Ottawa
815-367 Winslow
815-368 Lostant
815-369 Lena
815-370 Kankakee
815-371 Utica
815-372 Lockport
815-373 Elwood
815-374 Dwight
815-375 Dekalb
815-376 Ohio
815-377 Crescent City
815-378 Rockford
815-379 Walnut
815-380 Sterling
815-381 Rockford
815-382 Woodstock
815-383 Gilman
815-384 Rochelle
815-385 Mchenry
815-386 Kankakee
815-387 Rockford
815-388 Mchenry
815-389 South Beloit
815-390 Braidwood
815-391 Rockford
815-392 Kinsman
815-393 Monroe Center
815-394 Rockford
815-395 Rockford
815-396 Steward
815-397 Rockford
815-398 Rockford
815-399 Rockford
815-400 Morrison
815-401 Kankakee
815-402 Illinois
815-403 Mchenry
815-404 Crystal Lake
815-405 Joliet
815-406 Byron
815-407 Lockport
815-408 Utica
815-409 Joliet
815-410 La Salle
815-412 Frankfort
815-413 Morris
815-414 Earlville
815-415 Seneca
815-416 Morris
815-417 Braidwood
815-418 Manhattan
815-419 Pontiac
815-420 Rochelle
815-421 Herscher
815-422 Illinois
815-423 Elwood
815-424 Elwood
815-425 Crystal Lake
815-426 Herscher
815-427 Illinois
815-428 Martinton
815-429 Sheldon
815-430 Mchenry
815-431 Ottawa
815-432 Watseka
815-433 Ottawa
815-434 Ottawa
815-435 Beaverville
815-436 Plainfield
815-437 Putnam
815-438 Tampico
815-439 Plainfield
815-440 Dixon
815-441 Sterling
815-442 Tonica
815-443 Pearl City
815-444 Crystal Lake
815-445 Sheffield
815-446 Tonica
815-447 Ladd
815-448 Mazon
815-449 Dakota
815-450 Momence
815-451 Woodstock
815-452 Toluca
815-453 Ashton
815-454 Sheffield
815-455 Crystal Lake
815-456 Ashton
815-457 Cissna Park
815-458 Braidwood
815-459 Crystal Lake
815-460 Joliet
815-461 Lockport
815-462 New Lenox
815-463 New Lenox
815-464 Frankfort
815-465 Grant Park
815-466 Grant Park
815-467 Minooka
815-468 Manteno
815-469 Frankfort
815-470 Rockford
815-471 Watseka
815-472 Momence
815-473 Milford
815-474 Joliet
815-475 Illinois
815-476 Wilmington
815-477 Crystal Lake
815-478 Manhattan
815-479 Crystal Lake
815-480 Rockford
815-481 La Grange Park
815-482 Woodstock
815-483 Joliet
815-484 Rockford
815-485 New Lenox
815-486 Donovan
815-487 Plainfield
815-488 La Grange Park
815-489 Rockford
815-490 Rockford
815-491 Rockford
815-492 Apple River
815-493 Lanark
815-494 Rockford
815-495 Leland
815-496 Sheridan
815-497 Compton
815-498 Somonauk
815-499 Sterling
815-500 Marseilles
815-501 Dekalb
815-502 Woodstock
815-503 Mendota
815-504 Gardner
815-505 Rockford
815-506 Union
815-507 Momence
815-508 Dekalb
815-509 Rockford
815-510 Streator
815-512 Lockport
815-513 Morris
815-514 Joliet
815-515 Watseka
815-516 Rockford
815-517 Dekalb
815-518 Coal City
815-519 Rockford
815-520 Rockford
815-521 Minooka
815-522 Kirkland
815-523 Kankakee
815-524 Lockport
815-525 South Beloit
815-526 Crystal Lake
815-527 Woodstock
815-528 Mchenry
815-529 Woodstock
815-530 Joliet
815-531 Joliet
815-532 Morris
815-533 La Grange Park
815-534 Frankfort
815-535 Sterling
815-536 La Grange Park
815-537 Prophetstown
815-538 Mendota
815-539 Mendota
815-540 Rockford
815-541 Freeport
815-542 Illinois
815-543 Rockford
815-544 Belvidere
815-545 Joliet
815-546 Joliet
815-547 Belvidere
815-548 Sterling
815-549 Kankakee
815-550 Grant Park
815-551 Savanna
815-552 Lockport
815-553 Joliet
815-554 Galena
815-556 Plainfield
815-557 Joliet
815-558 Rockford
815-559 Fulton
815-560 Harvard
815-561 Rochelle
815-562 Rochelle
815-563 Freeport
815-564 Sterling
815-565 Morrison
815-566 Belvidere
815-567 Dwight
815-568 Marengo
815-569 Capron
815-570 Sandwich
815-571 Shannon
815-572 Marengo
815-573 Kankakee
815-574 Harmon
815-575 Woodstock
815-576 Polo
815-577 Plainfield
815-578 Mchenry
815-579 La Salle
815-580 Rockford
815-581 Spring Grove
815-582 Joliet
815-583 Morrison
815-584 Dwight
815-585 Morris
815-586 Ransom
815-587 Ottawa
815-588 Lockport
815-589 Fulton
815-590 Sterling
815-591 Hanover
815-592 Kankakee
815-593 Dekalb
815-594 Apple River
815-595 Oregon
815-596 Marengo
815-597 Garden Prairie
815-598 Illinois
815-599 Freeport
815-600 Joliet
815-601 Rockford
815-602 Kankakee
815-603 Kankakee
815-604 Illinois
815-605 Grant Park
815-606 Ottawa
815-607 Flanagan
815-608 Rockford
815-609 Plainfield
815-610 Cornell
815-612 Graymont
815-613 Mount Carroll
815-614 Kankakee
815-615 Mendota
815-616 Freeport
815-617 Ottawa
815-618 Freeport
815-619 Rockton
815-620 Annawan
815-621 Rockford
815-622 Sterling
815-623 Roscoe
815-624 Rockton
815-625 Sterling
815-626 Sterling
815-627 Paw Paw
815-628 Illinois
815-629 Durand
815-630 Joliet
815-631 Sterling
815-632 Sterling
815-633 Loves Park
815-634 Coal City
815-635 Chatsworth
815-636 Loves Park
815-637 Loves Park
815-638 La Moille
815-639 Loves Park
815-640 Ottawa
815-641 Rockford
815-642 Minooka
815-643 Princeton
815-644 Crescent City
815-645 Davis Junction
815-646 Tiskilwa
815-647 Cullom
815-648 Hebron
815-649 Gardner
815-650 Freeport
815-651 Joliet
815-652 Illinois
815-653 Wonder Lake
815-654 Loves Park
815-655 Illinois
815-656 Freeport
815-657 Forrest
815-658 Lanark
815-659 Princeton
815-660 Lockport
815-661 Morris
815-662 Momence
815-663 Spring Valley
815-664 Spring Valley
815-665 Ottawa
815-666 Joliet
815-667 Utica
815-668 Rockford
815-669 Mchenry
815-670 Rockford
815-671 Joliet
815-672 Streator
815-673 Streator
815-674 Streator
815-675 Spring Grove
815-676 Plainfield
815-677 Elizabeth
815-678 Richmond
815-679 Mchenry
815-680 Manhattan
815-681 Rockford
815-682 Illinois
815-683 Crescent City
815-684 Chadwick
815-685 Joliet
815-686 Piper City
815-687 Woodstock
815-688 Strawn
815-689 Cullom
815-690 Joliet
815-691 Utica
815-692 Fairbury
815-693 Joliet
815-694 Clifton
815-695 Newark
815-696 Roscoe
815-697 Chebanse
815-698 Ashkum
815-699 Wyanet
815-701 Woodstock
815-702 Saunemin
815-703 Rockford
815-704 South Beloit
815-705 Morris
815-706 Lyndon
815-707 Gilman
815-708 Rockford
815-709 Coal City
815-710 Morris
815-712 Harvard
815-713 Rockford
815-714 Joliet
815-715 Joliet
815-716 Sterling
815-717 New Lenox
815-718 Sterling
815-719 Princeton
815-720 Rockford
815-721 Rockford
815-722 Joliet
815-723 Joliet
815-724 Joliet
815-725 Joliet
815-726 Joliet
815-727 Joliet
815-728 Wonder Lake
815-729 Joliet
815-730 Joliet
815-731 Plainfield
815-732 Oregon
815-733 Plainfield
815-734 Mount Morris
815-735 Joliet
815-736 Illinois
815-737 Illinois
815-738 Leaf River
815-739 Sycamore
815-740 Joliet
815-741 Joliet
815-742 Rockford
815-743 Graymont
815-744 Joliet
815-745 Warren
815-746 Marseilles
815-747 East Dubuque
815-748 Dekalb
815-749 Rockford
815-750 Marseilles
815-751 Dekalb
815-752 Dekalb
815-753 Dekalb
815-754 Dekalb
815-755 Dekalb
815-756 Dekalb
815-757 Dekalb
815-758 Dekalb
815-759 Mchenry
815-760 Putnam
815-761 Dekalb
815-762 Dekalb
815-763 Rockford
815-764 Dekalb
815-765 Poplar Grove
815-766 Dekalb
815-767 La Grange Park
815-768 Joliet
815-769 Seneca
815-770 Harvard
815-771 Ashkum
815-772 Morrison
815-773 Joliet
815-774 Joliet
815-775 Woodstock
815-776 Illinois
815-777 Illinois
815-778 Lyndon
815-780 La Salle
815-781 Chebanse
815-782 Plainfield
815-783 Gilman
815-784 Genoa
815-785 Watseka
815-786 Sandwich
815-787 Dekalb
815-788 Crystal Lake
815-789 Orangeville
815-790 Woodstock
815-791 Joliet
815-792 Illinois
815-793 Dekalb
815-794 Marseilles
815-795 Marseilles
815-796 Flanagan
815-797 Somonauk
815-798 Milledgeville
815-799 Harmon
815-800 Poplar Grove
815-801 Freeport
815-802 Kankakee
815-803 Byron
815-804 Pecatonica
815-805 Durand
815-806 Frankfort
815-807 German Valley
815-808 Winslow
815-809 Lena
815-810 Pearl City
815-812 Dakota
815-813 Apple River
815-814 Woodstock
815-816 Freeport
815-817 Hanover
815-818 Warren
815-819 Orangeville
815-820 Elizabeth
815-821 Freeport
815-822 Ancona
815-823 Joliet
815-824 Shabbona
815-825 Malta
815-826 Somonauk
815-827 Maple Park
815-828 Minooka
815-829 Chadwick
815-830 Oglesby
815-831 Davis
815-832 Saunemin
815-833 Winslow
815-834 Lockport
815-835 Dixon
815-836 Lockport
815-837 Forreston
815-838 Lockport
815-839 Kankakee
815-840 Stockton
815-841 Mount Morris
815-842 Pontiac
815-843 Ashton
815-844 Pontiac
815-845 Apple River
815-846 Joliet
815-847 Rockford
815-848 Pontiac
815-849 Sublette
815-850 Pecatonica
815-851 Kankakee
815-852 Apple River
815-853 Wenona
815-854 Long Point
815-855 Milledgeville
815-856 Tonica
815-857 Amboy
815-858 Elizabeth
815-859 Illinois
815-860 Elwood
815-861 Woodstock
815-862 Capron
815-863 Rutland
815-864 Shannon
815-865 Davis
815-866 Princeton
815-867 Pontiac
815-868 Winslow
815-869 Magnolia
815-870 Rockford
815-871 Rockford
815-872 Princeton
815-873 Illinois
815-874 Illinois
815-875 Princeton
815-876 Princeton
815-877 Loves Park
815-878 Princeton
815-879 Princeton
815-880 Woodstock
815-881 Oregon
815-882 Mc Nabb
815-883 Oglesby
815-884 Harvard
815-885 Illinois
815-886 Lockport
815-887 Harvard
815-888 Rochelle
815-889 Milford
815-890 Illinois
815-891 Winnebago
815-892 Shannon
815-893 Crystal Lake
815-894 Ladd
815-895 Sycamore
815-896 Durand
815-897 Lyndon
815-898 Illinois
815-899 Sycamore
815-900 Amboy
815-901 Dekalb
815-902 Lyndon
815-903 Mchenry
815-904 Rockford
815-905 Lockport
815-906 Mount Carroll
815-907 Manteno
815-908 Freeport
815-909 Dekalb
815-910 Mendota
815-912 Belvidere
815-913 Joliet
815-914 Rockford
815-915 Coal City
815-916 Illinois
815-917 Rochelle
815-918 Clifton
815-919 Joliet
815-920 Cornell
815-921 Rockford
815-922 Kankakee
815-923 Union
815-924 Prophetstown
815-925 Hennepin
815-926 Wilmington
815-927 Joliet
815-928 Kankakee
815-929 Kankakee
815-930 Elizabeth
815-931 Joliet
815-932 Kankakee
815-933 Kankakee
815-934 Emington
815-935 Kankakee
815-936 Kankakee
815-937 Kankakee
815-938 Forreston
815-939 Kankakee
815-940 Gardner
815-941 Morris
815-942 Morris
815-943 Harvard
815-944 Saint Anne
815-945 Chenoa
815-946 Polo
815-947 Stockton
815-948 Annawan
815-949 Cabery
815-951 Amboy
815-952 Lanark
815-953 Kankakee
815-954 Kankakee
815-955 Joliet
815-956 Morrison
815-957 Rockton
815-960 Leaf River
815-961 Rockford
815-962 Rockford
815-963 Rockford
815-964 Rockford
815-965 Rockford
815-966 Rockford
815-967 Rockford
815-968 Rockford
815-969 Rockford
815-970 Sycamore
815-971 Rockford
815-972 Rockford
815-973 Dixon
815-974 Illinois
815-975 Belvidere
815-977 Rockford
815-978 Rockford
815-979 Rockford
815-980 Rockford
815-981 Ottawa
815-982 Tampico
815-983 Rockford
815-984 Wellington
815-985 Rockford
815-986 Rockford
815-987 Rockford
815-988 Rockford
815-989 Prophetstown
815-990 Freeport
815-991 Sycamore
815-992 Streator
815-993 Oglesby
815-994 Dixon
815-995 Dekalb
815-996 Savanna
815-997 Rockford
815-998 Odell
815-999 Joliet