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Area Code 815 Information and Location Details

Area code 815 serves the state of Illinois. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 815 is a General Purpose Code. 815 service area does overlap with 779 area codes. Dialing pattern for local calls within the same NPA (area code) is 1+10D.

Area Code 815 Has 759 Exchanges

Exchange City
815-200 La Salle
815-201 Sheridan
815-202 Oglesby
815-203 Joliet
815-204 Crystal Lake
815-205 Coal City
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
815-241 Northbrook
815-242 Minooka
815-243 Rockford
815-244 Mount Carroll
815-245 Woodstock
815-246 Earlville
815-247 Seward
815-248 Durand
815-249 Grand Ridge
815-250 La Salle
815-252 Oglesby
815-253 Kempton
815-254 Plainfield
815-255 Minooka
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 Roscoe
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 Galena
815-282 Rockford
815-283 Waterman
815-284 Dixon
815-285 Dixon
815-286 Hinckley
815-287 Verona
815-288 Dixon
815-289 Rockford
815-290 Minooka
815-291 Freeport
815-293 Lockport
815-294 La Grange
815-295 Kankakee
815-296 Rockford
815-297 Freeport
815-298 Rockford
815-299 Rockford
815-300 New Lenox
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 New Lenox
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
815-337 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 Franklin Grove
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 Crescent City
815-384 Creston
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 Galena
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 Rockford
815-421 Herscher
815-423 Elwood
815-424 Elwood
815-425 Crystal Lake
815-426 Herscher
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 Manlius
815-446 Cedar Point
815-447 Depue
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 Franklin Grove
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 Woodland
815-474 Joliet
815-476 Wilmington
815-477 Crystal Lake
815-478 Manhattan
815-479 Crystal Lake
815-480 Rockford
815-481 La Grange
815-482 Woodstock
815-483 Joliet
815-484 Rockford
815-485 New Lenox
815-486 Donovan
815-487 Plainfield
815-488 La Grange
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
815-534 Frankfort
815-535 Sterling
815-536 La Grange
815-537 Prophetstown
815-538 Mendota
815-539 Mendota
815-540 Rockford
815-541 Freeport
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 East Dubuque
815-555 Rockford
815-556 Plainfield
815-557 Joliet
815-558 Rockford
815-559 Fulton
815-560 Harvard
815-561 Rochelle
815-562 Rochelle
815-563 Cedarville
815-564 Sterling
815-565 Savanna
815-566 Belvidere
815-567 Campus
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 Cherry Valley
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
815-599 Freeport
815-600 Joliet
815-601 Rockford
815-602 Kankakee
815-603 Joliet
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 Hooppole
815-621 Rockford
815-622 Sterling
815-623 Roscoe
815-624 Rockton
815-625 Sterling
815-626 Sterling
815-627 Paw Paw
815-629 Shirland
815-630 Joliet
815-631 Sterling
815-632 Sterling
815-633 Rockford
815-634 Coal City
815-635 Chatsworth
815-636 Rockford
815-637 Rockford
815-638 La Moille
815-639 Rockford
815-640 Ottawa
815-641 Joliet
815-642 Minooka
815-643 Dover
815-644 Crescent City
815-645 Stillman Valley
815-646 Tiskilwa
815-647 Cullom
815-648 Hebron
815-649 Gardner
815-650 Freeport
815-651 Joliet
815-653 Wonder Lake
815-654 Rockford
815-656 Freeport
815-657 Forrest
815-658 Lanark
815-659 Bureau
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 Dixon
815-678 Richmond
815-679 Mchenry
815-680 Manhattan
815-681 Oglesby
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 La Salle
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
815-738 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 Seneca
815-756 Dekalb
815-757 Dekalb
815-758 Dekalb
815-759 Mchenry
815-760 Bureau
815-761 Dekalb
815-762 Dekalb
815-763 Rockford
815-764 Dekalb
815-765 Poplar Grove
815-766 Dekalb
815-767 La Grange
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 Galena
815-777 Galena
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
815-793 Dekalb
815-794 Marseilles
815-795 Marseilles
815-796 Flanagan
815-797 Somonauk
815-798 Milledgeville
815-799 Manlius
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 Cedarville
815-817 Hanover
815-818 Warren
815-819 Orangeville
815-820 Elizabeth
815-821 Freeport
815-822 Streator
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 Mc Connell
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 Scales Mound
815-846 Joliet
815-847 Rockford
815-848 Pontiac
815-849 Sublette
815-850 Seward
815-851 Kankakee
815-852 Scales Mound
815-853 Wenona
815-854 Long Point
815-855 Milledgeville
815-856 Leonore
815-857 Amboy
815-858 Elizabeth
815-860 Elwood
815-861 Woodstock
815-862 Richmond
815-863 Rutland
815-864 Shannon
815-865 Davis
815-866 Princeton
815-867 Pontiac
815-868 Mc Connell
815-869 Magnolia
815-870 Rockford
815-871 Rockford
815-872 Princeton
815-875 Princeton
815-876 Princeton
815-877 Rockford
815-878 Princeton
815-879 Princeton
815-880 Woodstock
815-881 Oregon
815-882 Mc Nabb
815-883 Oglesby
815-884 Earlville
815-886 Lockport
815-887 Harvard
815-888 Rochelle
815-889 Milford
815-891 Winnebago
815-892 Shannon
815-893 Crystal Lake
815-894 Ladd
815-895 Sycamore
815-896 Shirland
815-897 Lyndon
815-899 Sycamore
815-900 Mchenry
815-901 Dekalb
815-902 Thomson
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 Chadwick
815-914 Rockford
815-915 Princeton
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 Momence
815-945 Chenoa
815-946 Polo
815-947 Stockton
815-948 Hooppole
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
815-975 Belvidere
815-977 Rockford
815-978 Rockford
815-979 Rockford
815-980 Rockford
815-981 Dekalb
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