Reference Data
Area Code Directory
Area Code 861 — Illinois, Illinois

Area Code 861 — Illinois, Illinois

Active

Data last updated: March 10, 2026

State
Illinois
Country
US
Timezone
Assigned
January 1, 1947
Exchanges (NXX)
786
Carriers
0
Rate Centers
0
Overlay
Yes — 309

Rate Centers

Exchange Listings (NXX)

NPA-NXX Carrier Rate Center Type LATA Status
861-200 Landline active
861-201 Landline active
861-202 Landline active
861-203 Landline active
861-204 Landline active
861-205 Landline active
861-206 Landline active
861-207 Landline active
861-208 Landline active
861-209 Landline active
861-210 Landline active
861-212 Landline active
861-213 Landline active
861-214 Landline active
861-215 Landline active
861-216 Landline active
861-217 Landline active
861-218 Landline active
861-219 Landline active
861-220 Landline active
861-221 Landline active
861-222 Landline active
861-223 Landline active
861-224 Landline active
861-225 Landline active
861-226 Landline active
861-227 Landline active
861-228 Landline active
861-229 Landline active
861-230 Landline active
861-231 Landline active
861-232 Landline active
861-233 Landline active
861-234 Landline active
861-235 Landline active
861-236 Landline active
861-237 Landline active
861-238 Landline active
861-239 Landline active
861-240 Landline active
861-241 Landline active
861-242 Landline active
861-243 Landline active
861-244 Landline active
861-245 Landline active
861-246 Landline active
861-247 Landline active
861-248 Landline active
861-249 Landline active
861-250 Landline active
861-251 Landline active
861-252 Landline active
861-253 Landline active
861-254 Landline active
861-255 Landline active
861-256 Landline active
861-257 Landline active
861-258 Landline active
861-259 Landline active
861-260 Landline active
861-261 Landline active
861-262 Landline active
861-263 Landline active
861-264 Landline active
861-265 Landline active
861-266 Landline active
861-267 Landline active
861-268 Landline active
861-269 Landline active
861-270 Landline active
861-271 Landline active
861-272 Landline active
861-273 Landline active
861-274 Landline active
861-275 Landline active
861-276 Landline active
861-277 Landline active
861-278 Landline active
861-279 Landline active
861-280 Landline active
861-281 Landline active
861-282 Landline active
861-283 Landline active
861-284 Landline active
861-285 Landline active
861-286 Landline active
861-287 Landline active
861-288 Landline active
861-289 Landline active
861-290 Landline active
861-291 Landline active
861-292 Landline active
861-293 Landline active
861-294 Landline active
861-295 Landline active
861-296 Landline active
861-297 Landline active
861-298 Landline active
861-299 Landline active
861-300 Landline active
861-301 Landline active
861-302 Landline active
861-303 Landline active
861-304 Landline active
861-305 Landline active
861-306 Landline active
861-307 Landline active
861-308 Landline active
861-309 Landline active
861-310 Landline active
861-312 Landline active
861-313 Landline active
861-314 Landline active
861-315 Landline active
861-316 Landline active
861-317 Landline active
861-318 Landline active
861-319 Landline active
861-320 Landline active
861-321 Landline active
861-322 Landline active
861-323 Landline active
861-324 Landline active
861-325 Landline active
861-326 Landline active
861-327 Landline active
861-328 Landline active
861-329 Landline active
861-330 Landline active
861-331 Landline active
861-332 Landline active
861-333 Landline active
861-334 Landline active
861-335 Landline active
861-336 Landline active
861-337 Landline active
861-338 Landline active
861-339 Landline active
861-340 Landline active
861-341 Landline active
861-342 Landline active
861-343 Landline active
861-344 Landline active
861-345 Landline active
861-346 Landline active
861-347 Landline active
861-348 Landline active
861-349 Landline active
861-350 Landline active
861-351 Landline active
861-352 Landline active
861-353 Landline active
861-354 Landline active
861-355 Landline active
861-356 Landline active
861-357 Landline active
861-358 Landline active
861-359 Landline active
861-360 Landline active
861-361 Landline active
861-362 Landline active
861-363 Landline active
861-364 Landline active
861-365 Landline active
861-366 Landline active
861-367 Landline active
861-368 Landline active
861-369 Landline active
861-370 Landline active
861-371 Landline active
861-372 Landline active
861-373 Landline active
861-374 Landline active
861-375 Landline active
861-376 Landline active
861-377 Landline active
861-378 Landline active
861-379 Landline active
861-380 Landline active
861-381 Landline active
861-382 Landline active
861-383 Landline active
861-384 Landline active
861-385 Landline active
861-386 Landline active
861-387 Landline active
861-388 Landline active
861-389 Landline active
861-390 Landline active
861-391 Landline active
861-392 Landline active
861-393 Landline active
861-394 Landline active
861-395 Landline active
861-396 Landline active
861-397 Landline active
861-398 Landline active
861-399 Landline active
861-400 Landline active
861-401 Landline active
861-402 Landline active
861-403 Landline active
861-404 Landline active
861-405 Landline active
861-406 Landline active
861-407 Landline active
861-408 Landline active
861-409 Landline active
861-410 Landline active
861-412 Landline active
861-413 Landline active
861-414 Landline active
861-415 Landline active
861-416 Landline active
861-417 Landline active
861-418 Landline active
861-419 Landline active
861-420 Landline active
861-421 Landline active
861-422 Landline active
861-423 Landline active
861-424 Landline active
861-425 Landline active
861-426 Landline active
861-427 Landline active
861-428 Landline active
861-429 Landline active
861-430 Landline active
861-431 Landline active
861-432 Landline active
861-433 Landline active
861-434 Landline active
861-435 Landline active
861-436 Landline active
861-437 Landline active
861-438 Landline active
861-439 Landline active
861-440 Landline active
861-441 Landline active
861-442 Landline active
861-443 Landline active
861-444 Landline active
861-445 Landline active
861-446 Landline active
861-447 Landline active
861-448 Landline active
861-449 Landline active
861-450 Landline active
861-451 Landline active
861-452 Landline active
861-453 Landline active
861-454 Landline active
861-455 Landline active
861-456 Landline active
861-457 Landline active
861-458 Landline active
861-459 Landline active
861-460 Landline active
861-461 Landline active
861-462 Landline active
861-463 Landline active
861-464 Landline active
861-465 Landline active
861-466 Landline active
861-467 Landline active
861-468 Landline active
861-469 Landline active
861-470 Landline active
861-471 Landline active
861-472 Landline active
861-473 Landline active
861-474 Landline active
861-475 Landline active
861-476 Landline active
861-477 Landline active
861-478 Landline active
861-479 Landline active
861-480 Landline active
861-481 Landline active
861-482 Landline active
861-483 Landline active
861-484 Landline active
861-485 Landline active
861-486 Landline active
861-487 Landline active
861-488 Landline active
861-489 Landline active
861-490 Landline active
861-491 Landline active
861-492 Landline active
861-493 Landline active
861-494 Landline active
861-495 Landline active
861-496 Landline active
861-497 Landline active
861-498 Landline active
861-499 Landline active
861-500 Landline active
861-501 Landline active
861-502 Landline active
861-503 Landline active
861-504 Landline active
861-505 Landline active
861-506 Landline active
861-507 Landline active
861-508 Landline active
861-509 Landline active
861-510 Landline active
861-512 Landline active
861-513 Landline active
861-514 Landline active
861-515 Landline active
861-516 Landline active
861-517 Landline active
861-518 Landline active
861-519 Landline active
861-520 Landline active
861-521 Landline active
861-522 Landline active
861-523 Landline active
861-524 Landline active
861-525 Landline active
861-526 Landline active
861-527 Landline active
861-528 Landline active
861-529 Landline active
861-530 Landline active
861-531 Landline active
861-532 Landline active
861-533 Landline active
861-534 Landline active
861-535 Landline active
861-536 Landline active
861-537 Landline active
861-538 Landline active
861-539 Landline active
861-540 Landline active
861-541 Landline active
861-542 Landline active
861-543 Landline active
861-544 Landline active
861-545 Landline active
861-546 Landline active
861-547 Landline active
861-548 Landline active
861-549 Landline active
861-550 Landline active
861-551 Landline active
861-552 Landline active
861-553 Landline active
861-554 Landline active
861-556 Landline active
861-557 Landline active
861-558 Landline active
861-559 Landline active
861-560 Landline active
861-561 Landline active
861-562 Landline active
861-563 Landline active
861-564 Landline active
861-565 Landline active
861-566 Landline active
861-567 Landline active
861-568 Landline active
861-569 Landline active
861-570 Landline active
861-571 Landline active
861-572 Landline active
861-573 Landline active
861-574 Landline active
861-575 Landline active
861-576 Landline active
861-577 Landline active
861-578 Landline active
861-579 Landline active
861-580 Landline active
861-581 Landline active
861-582 Landline active
861-583 Landline active
861-584 Landline active
861-585 Landline active
861-586 Landline active
861-587 Landline active
861-588 Landline active
861-589 Landline active
861-590 Landline active
861-591 Landline active
861-592 Landline active
861-593 Landline active
861-594 Landline active
861-595 Landline active
861-596 Landline active
861-597 Landline active
861-598 Landline active
861-599 Landline active
861-600 Landline active
861-601 Landline active
861-602 Landline active
861-603 Landline active
861-604 Landline active
861-605 Landline active
861-606 Landline active
861-607 Landline active
861-608 Landline active
861-609 Landline active
861-610 Landline active
861-612 Landline active
861-613 Landline active
861-614 Landline active
861-615 Landline active
861-616 Landline active
861-617 Landline active
861-618 Landline active
861-619 Landline active
861-620 Landline active
861-621 Landline active
861-622 Landline active
861-623 Landline active
861-624 Landline active
861-625 Landline active
861-626 Landline active
861-627 Landline active
861-628 Landline active
861-629 Landline active
861-630 Landline active
861-631 Landline active
861-632 Landline active
861-633 Landline active
861-634 Landline active
861-635 Landline active
861-636 Landline active
861-637 Landline active
861-638 Landline active
861-639 Landline active
861-640 Landline active
861-641 Landline active
861-642 Landline active
861-643 Landline active
861-644 Landline active
861-645 Landline active
861-646 Landline active
861-647 Landline active
861-648 Landline active
861-649 Landline active
861-650 Landline active
861-651 Landline active
861-652 Landline active
861-653 Landline active
861-654 Landline active
861-655 Landline active
861-656 Landline active
861-657 Landline active
861-658 Landline active
861-659 Landline active
861-660 Landline active
861-661 Landline active
861-662 Landline active
861-663 Landline active
861-664 Landline active
861-665 Landline active
861-666 Landline active
861-667 Landline active
861-668 Landline active
861-669 Landline active
861-670 Landline active
861-671 Landline active
861-672 Landline active
861-673 Landline active
861-674 Landline active
861-675 Landline active
861-676 Landline active
861-677 Landline active
861-678 Landline active
861-679 Landline active
861-680 Landline active
861-681 Landline active
861-682 Landline active
861-683 Landline active
861-684 Landline active
861-685 Landline active
861-686 Landline active
861-687 Landline active
861-688 Landline active
861-689 Landline active
861-690 Landline active
861-691 Landline active
861-692 Landline active
861-693 Landline active
861-694 Landline active
861-695 Landline active
861-696 Landline active
861-697 Landline active
861-698 Landline active
861-699 Landline active
861-701 Landline active
861-702 Landline active
861-703 Landline active
861-704 Landline active
861-705 Landline active
861-706 Landline active
861-707 Landline active
861-708 Landline active
861-709 Landline active
861-710 Landline active
861-712 Landline active
861-713 Landline active
861-714 Landline active
861-715 Landline active
861-716 Landline active
861-717 Landline active
861-718 Landline active
861-719 Landline active
861-720 Landline active
861-721 Landline active
861-722 Landline active
861-723 Landline active
861-724 Landline active
861-725 Landline active
861-726 Landline active
861-727 Landline active
861-728 Landline active
861-729 Landline active
861-730 Landline active
861-731 Landline active
861-732 Landline active
861-733 Landline active
861-734 Landline active
861-735 Landline active
861-736 Landline active
861-737 Landline active
861-738 Landline active
861-739 Landline active
861-740 Landline active
861-741 Landline active
861-742 Landline active
861-743 Landline active
861-744 Landline active
861-745 Landline active
861-746 Landline active
861-747 Landline active
861-748 Landline active
861-749 Landline active
861-750 Landline active
861-751 Landline active
861-752 Landline active
861-753 Landline active
861-754 Landline active
861-755 Landline active
861-756 Landline active
861-757 Landline active
861-758 Landline active
861-759 Landline active
861-760 Landline active
861-761 Landline active
861-762 Landline active
861-763 Landline active
861-764 Landline active
861-765 Landline active
861-766 Landline active
861-767 Landline active
861-768 Landline active
861-769 Landline active
861-770 Landline active
861-771 Landline active
861-772 Landline active
861-773 Landline active
861-774 Landline active
861-775 Landline active
861-776 Landline active
861-777 Landline active
861-778 Landline active
861-779 Landline active
861-780 Landline active
861-781 Landline active
861-782 Landline active
861-783 Landline active
861-784 Landline active
861-785 Landline active
861-786 Landline active
861-787 Landline active
861-788 Landline active
861-789 Landline active
861-790 Landline active
861-791 Landline active
861-792 Landline active
861-793 Landline active
861-794 Landline active
861-795 Landline active
861-796 Landline active
861-797 Landline active
861-798 Landline active
861-799 Landline active
861-800 Landline active
861-801 Landline active
861-802 Landline active
861-803 Landline active
861-804 Landline active
861-805 Landline active
861-806 Landline active
861-807 Landline active
861-808 Landline active
861-809 Landline active
861-810 Landline active
861-812 Landline active
861-813 Landline active
861-814 Landline active
861-815 Landline active
861-816 Landline active
861-817 Landline active
861-818 Landline active
861-819 Landline active
861-820 Landline active
861-821 Landline active
861-822 Landline active
861-823 Landline active
861-824 Landline active
861-825 Landline active
861-826 Landline active
861-827 Landline active
861-828 Landline active
861-829 Landline active
861-830 Landline active
861-831 Landline active
861-832 Landline active
861-833 Landline active
861-834 Landline active
861-835 Landline active
861-836 Landline active
861-837 Landline active
861-838 Landline active
861-839 Landline active
861-840 Landline active
861-841 Landline active
861-842 Landline active
861-843 Landline active
861-844 Landline active
861-845 Landline active
861-846 Landline active
861-847 Landline active
861-848 Landline active
861-849 Landline active
861-850 Landline active
861-851 Landline active
861-852 Landline active
861-853 Landline active
861-854 Landline active
861-855 Landline active
861-856 Landline active
861-857 Landline active
861-858 Landline active
861-859 Landline active
861-860 Landline active
861-861 Landline active
861-862 Landline active
861-863 Landline active
861-864 Landline active
861-865 Landline active
861-866 Landline active
861-867 Landline active
861-868 Landline active
861-869 Landline active
861-870 Landline active
861-871 Landline active
861-872 Landline active
861-873 Landline active
861-874 Landline active
861-875 Landline active
861-876 Landline active
861-877 Landline active
861-878 Landline active
861-879 Landline active
861-880 Landline active
861-881 Landline active
861-882 Landline active
861-883 Landline active
861-884 Landline active
861-885 Landline active
861-886 Landline active
861-887 Landline active
861-888 Landline active
861-889 Landline active
861-890 Landline active
861-891 Landline active
861-892 Landline active
861-893 Landline active
861-894 Landline active
861-895 Landline active
861-896 Landline active
861-897 Landline active
861-898 Landline active
861-899 Landline active
861-900 Landline active
861-901 Landline active
861-902 Landline active
861-903 Landline active
861-904 Landline active
861-905 Landline active
861-906 Landline active
861-907 Landline active
861-908 Landline active
861-909 Landline active
861-910 Landline active
861-912 Landline active
861-913 Landline active
861-914 Landline active
861-915 Landline active
861-916 Landline active
861-917 Landline active
861-918 Landline active
861-919 Landline active
861-920 Landline active
861-921 Landline active
861-922 Landline active
861-923 Landline active
861-924 Landline active
861-925 Landline active
861-926 Landline active
861-927 Landline active
861-928 Landline active
861-929 Landline active
861-930 Landline active
861-931 Landline active
861-932 Landline active
861-933 Landline active
861-934 Landline active
861-935 Landline active
861-936 Landline active
861-937 Landline active
861-938 Landline active
861-939 Landline active
861-940 Landline active
861-941 Landline active
861-942 Landline active
861-943 Landline active
861-944 Landline active
861-945 Landline active
861-946 Landline active
861-947 Landline active
861-948 Landline active
861-949 Landline active
861-951 Landline active
861-952 Landline active
861-953 Landline active
861-954 Landline active
861-955 Landline active
861-956 Landline active
861-957 Landline active
861-960 Landline active
861-961 Landline active
861-962 Landline active
861-963 Landline active
861-964 Landline active
861-965 Landline active
861-966 Landline active
861-967 Landline active
861-968 Landline active
861-969 Landline active
861-970 Landline active
861-971 Landline active
861-972 Landline active
861-973 Landline active
861-974 Landline active
861-975 Landline active
861-977 Landline active
861-978 Landline active
861-979 Landline active
861-980 Landline active
861-981 Landline active
861-982 Landline active
861-983 Landline active
861-984 Landline active
861-985 Landline active
861-986 Landline active
861-987 Landline active
861-988 Landline active
861-989 Landline active
861-990 Landline active
861-991 Landline active
861-992 Landline active
861-993 Landline active
861-994 Landline active
861-995 Landline active
861-996 Landline active
861-997 Landline active
861-998 Landline active
861-999 Landline active

Area code 861 shares its geographic region with the following overlay area codes:

309