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815 Area Code

Area code 815 is in Illinois (IL), USA and some of its main locations are Joliet, Rockford, Plainfield, etc. (jump to city list below).

Area code 815 has been in service since January 01, 1947 and is the older Numbering Plan Area in overlay complex 815/779 (overlaying area codes cover the same geographic area).

07:23:54 AM is the current time in area code 815 (Central Time Zone).

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815 phone number location

NPANXX Area served1 Date2
815-200 La Salle 6/20/2006
815-201 Sheridan 8/15/2012
815-202 Oglesby 4/8/2008
815-203 Joliet N/A
815-204 Crystal Lake N/A
815-205 Coal City 1/31/2014
815-206 Woodstock N/A
815-207 Joliet N/A
815-208 Fulton N/A
815-209 Rockford 2/4/2002
815-210 Joliet N/A
815-212 Joliet N/A
815-213 Sterling 9/29/2004
815-214 Kankakee N/A
815-215 New Lenox 2/4/2002
815-216 Kankakee N/A
815-217 De Kalb N/A
815-218 Rockford N/A
815-219 Crystal Lake 6/6/2006
815-220 La Salle N/A
815-221 Lockport N/A
815-222 Rockford N/A
815-223 La Salle N/A
815-224 La Salle N/A
815-225 Milledgeville N/A
815-226 Rockford N/A
815-227 Rockford N/A
815-228 Oglesby N/A
815-229 Rockford N/A
815-230 Plainfield N/A
815-231 Rockford N/A
815-232 Freeport N/A
815-233 Freeport N/A
815-234 Byron N/A
815-235 Freeport N/A
815-236 Woodstock N/A
815-237 Gardner N/A
815-238 Freeport N/A
815-239 Pecatonica N/A
815-240 Rock Cut 10/18/2010
815-241 Northbrook N/A
815-242 Minooka 5/2/2014
815-243 Rockford N/A
815-244 Mount Carroll N/A
815-245 Woodstock N/A
815-246 Earlville N/A
815-247 Seward N/A
815-248 Durand N/A
815-249 Grand Ridge N/A
815-250 La Salle 8/25/2006
815-251 Nelson N/A
815-252 Oglesby N/A
815-253 Kempton N/A
815-254 Plainfield N/A
815-255 Minooka 11/3/2009
815-256 Stelle N/A
815-257 Streator N/A
815-258 Joliet N/A
815-259 Thomson N/A
815-260 Joliet N/A
815-261 Crystal Lake N/A
815-262 Rockford N/A
815-263 Kankakee N/A
815-264 Waterman N/A
815-265 Gilman N/A
815-266 Freeport N/A
815-267 Plainfield N/A
815-268 Onarga N/A
815-269 Danforth N/A
815-270 Roscoe 4/24/2007
815-271 Mchenry N/A
815-272 Joliet N/A
815-273 Savanna N/A
815-274 Joliet N/A
815-275 Freeport N/A
815-276 Crystal Lake N/A
815-277 Frankfort N/A
815-278 Kankakee N/A
815-279 Kankakee N/A
815-280 Joliet N/A
815-281 Galena 6/15/2004
815-282 Rockford N/A
815-283 Waterman 3/5/2010
815-284 Dixon N/A
815-285 Dixon N/A
815-286 Hinckley N/A
815-287 Verona N/A
815-288 Dixon N/A
815-289 Rockford N/A
815-290 Minooka 2/10/2006
815-291 Freeport N/A
815-292 South Bergen N/A
815-293 Lockport N/A
815-294 La Grange N/A
815-295 Kankakee N/A
815-296 Rockford 11/20/2019
815-297 Freeport N/A
815-298 Rockford N/A
815-299 Rockford N/A

NPANXX Area served1 Date2
815-300 New Lenox 12/22/2010
815-301 Crystal Lake N/A
815-302 Joliet N/A
815-303 Princeton N/A
815-304 Kankakee N/A
815-305 Gardner N/A
815-306 Lockport N/A
815-307 Mchenry N/A
815-308 Woodstock N/A
815-309 Shannon 7/18/2006
815-310 Utica N/A
815-312 Rockford 12/15/2008
815-313 Ottawa N/A
815-314 Manhattan N/A
815-315 Rockford N/A
815-316 Rockford N/A
815-317 Crescent City N/A
815-318 Morris N/A
815-319 Rockford N/A
815-320 New Lenox 4/28/2009
815-321 Woodstock N/A
815-322 Mchenry N/A
815-323 Belvidere 2/10/2005
815-324 Ottawa 1/8/2010
815-325 Joliet N/A
815-326 Oglesby N/A
815-327 Plainfield N/A
815-328 Lockport N/A
815-329 Rockford 3/11/2013
815-330 Crescent City N/A
815-331 Mchenry N/A
815-332 Cherry Valley N/A
815-333 Woodstock N/A
815-334 Woodstock N/A
815-335 Winnebago N/A
815-336 Coleta N/A
815-337 Woodstock N/A
815-338 Woodstock N/A
815-339 Granville N/A
815-340 La Moille 8/25/2006
815-341 Joliet N/A
815-342 Joliet N/A
815-343 Oglesby N/A
815-344 Mchenry N/A
815-345 Woodstock N/A
815-346 Gardner N/A
815-347 Woodstock N/A
815-348 Kankakee 10/16/2009
815-349 Mchenry N/A
815-350 Franklin Grove N/A
815-351 Kankakee N/A
815-352 Kankakee N/A
815-353 Woodstock N/A
815-354 Woodstock N/A
815-355 Woodstock N/A
815-356 Crystal Lake N/A
815-357 Seneca N/A
815-358 Cornell N/A
815-359 Harmon N/A
815-360 Sublette N/A
815-361 Manhattan N/A
815-362 German Valley N/A
815-363 Mchenry N/A
815-364 Morris N/A
815-365 Reddick N/A
815-366 Ottawa N/A
815-367 Winslow N/A
815-368 Lostant N/A
815-369 Lena N/A
815-370 Kankakee N/A
815-371 Utica N/A
815-372 Lockport N/A
815-373 Elwood 11/4/2009
815-374 Dwight 11/4/2009
815-375 De Kalb N/A
815-376 Ohio N/A
815-377 Crescent City N/A
815-378 Rockford N/A
815-379 Walnut N/A
815-380 Sterling N/A
815-381 Rockford N/A
815-382 Woodstock N/A
815-383 Crescent City N/A
815-384 Creston N/A
815-385 Mchenry N/A
815-386 Kankakee N/A
815-387 Rockford N/A
815-388 Mchenry N/A
815-389 South Beloit N/A
815-390 Braidwood 10/14/2004
815-391 Rockford N/A
815-392 Kinsman N/A
815-393 Monroe Center N/A
815-394 Rockford N/A
815-395 Rockford N/A
815-396 Steward N/A
815-397 Rockford N/A
815-398 Rockford N/A
815-399 Rockford N/A

NPANXX Area served1 Date2
815-400 Morrison 2/15/2010
815-401 Kankakee N/A
815-402 Galena N/A
815-403 Mchenry N/A
815-404 Crystal Lake N/A
815-405 Joliet N/A
815-406 Byron N/A
815-407 Lockport N/A
815-408 Utica N/A
815-409 Joliet 8/18/2005
815-410 La Salle 2/4/2002
815-412 Frankfort N/A
815-413 Morris N/A
815-414 Earlville 10/14/2004
815-415 Seneca N/A
815-416 Morris N/A
815-417 Braidwood N/A
815-418 Manhattan N/A
815-419 Pontiac 3/19/2003
815-420 Rockford N/A
815-421 Herscher N/A
815-422 St Anne N/A
815-423 Elwood N/A
815-424 Elwood N/A
815-425 Crystal Lake N/A
815-426 Herscher N/A
815-427 St Anne N/A
815-428 Martinton N/A
815-429 Sheldon N/A
815-430 Mchenry N/A
815-431 Ottawa N/A
815-432 Watseka N/A
815-433 Ottawa N/A
815-434 Ottawa N/A
815-435 Beaverville N/A
815-436 Plainfield N/A
815-437 Putnam N/A
815-438 Tampico N/A
815-439 Plainfield N/A
815-440 Dixon N/A
815-441 Sterling N/A
815-442 Tonica N/A
815-443 Pearl City N/A
815-444 Crystal Lake N/A
815-445 Manlius N/A
815-446 Cedarpoint N/A
815-447 Depue N/A
815-448 Mazon N/A
815-449 Dakota N/A
815-450 Momence 7/27/2004
815-451 Woodstock N/A
815-452 Toluca N/A
815-453 Ashton N/A
815-454 Sheffield N/A
815-455 Crystal Lake N/A
815-456 Franklin Grove N/A
815-457 Cissna Park N/A
815-458 Braidwood N/A
815-459 Crystal Lake N/A
815-460 Joliet N/A
815-461 Lockport N/A
815-462 New Lenox N/A
815-463 New Lenox N/A
815-464 Frankfort N/A
815-465 Grant Park N/A
815-466 Grant Park N/A
815-467 Minooka N/A
815-468 Manteno N/A
815-469 Frankfort N/A
815-470 Rockford N/A
815-471 Watseka N/A
815-472 Momence N/A
815-473 Woodland N/A
815-474 Joliet N/A
815-475 Plattville N/A
815-476 Wilmington N/A
815-477 Crystal Lake N/A
815-478 Manhattan N/A
815-479 Crystal Lake N/A
815-480 Rockford 3/22/2001
815-481 La Grange N/A
815-482 Woodstock N/A
815-483 Joliet N/A
815-484 Rockford N/A
815-485 New Lenox N/A
815-486 Donovan N/A
815-487 Plainfield N/A
815-488 La Grange N/A
815-489 Rockford N/A
815-490 Rockford N/A
815-491 Rockford 3/13/2013
815-492 Apple River N/A
815-493 Lanark N/A
815-494 Rockford N/A
815-495 Leland N/A
815-496 Sheridan N/A
815-497 Compton N/A
815-498 Somonauk N/A
815-499 Sterling N/A

NPANXX Area served1 Date2
815-500 Marseilles N/A
815-501 De Kalb N/A
815-502 Woodstock N/A
815-503 Mendota N/A
815-504 Gardner N/A
815-505 Rockford N/A
815-506 Union 2/27/2002
815-507 Momence 12/28/2001
815-508 De Kalb 6/16/2004
815-509 Rockford N/A
815-510 Streator 1/8/2010
815-512 Lockport N/A
815-513 Morris 2/27/2002
815-514 Joliet 1/24/2001
815-515 Watseka 2/4/2002
815-516 Rockford 1/24/2001
815-517 De Kalb 6/28/2004
815-518 Coal City 10/23/2001
815-519 Rockford N/A
815-520 Rockford N/A
815-521 Minooka N/A
815-522 Kirkland N/A
815-523 Kankakee N/A
815-524 Lockport N/A
815-525 South Beloit N/A
815-526 Crystal Lake N/A
815-527 Woodstock N/A
815-528 Mchenry N/A
815-529 Woodstock N/A
815-530 Joliet N/A
815-531 Joliet N/A
815-532 Morris N/A
815-533 La Grange N/A
815-534 Frankfort N/A
815-535 Sterling N/A
815-536 La Grange N/A
815-537 Prophetstown N/A
815-538 Mendota N/A
815-539 Mendota N/A
815-540 Rockford N/A
815-541 Freeport N/A
815-542 Thomas N/A
815-543 Rockford N/A
815-544 Belvidere N/A
815-545 Joliet N/A
815-546 Joliet N/A
815-547 Belvidere N/A
815-548 Sterling N/A
815-549 Kankakee N/A
815-550 Grant Park N/A
815-551 Lanark 8/1/2018
815-552 Lockport 4/10/2001
815-553 Joliet 4/10/2001
815-554 East Dubuque N/A
815-556 Plainfield 4/10/2001
815-557 Joliet N/A
815-558 Rockford N/A
815-559 Chenoa N/A
815-560 Harvard 5/3/2002
815-561 Rochelle N/A
815-562 Rochelle N/A
815-563 Cedarville N/A
815-564 Sterling N/A
815-565 Savanna N/A
815-566 Belvidere 6/21/2002
815-567 Campus N/A
815-568 Marengo N/A
815-569 Capron N/A
815-570 Sandwich 8/21/2002
815-571 Shannon 4/21/2006
815-572 Marengo N/A
815-573 Kankakee 2/27/2002
815-574 Harmon N/A
815-575 Woodstock N/A
815-576 Polo N/A
815-577 Plainfield N/A
815-578 Mchenry N/A
815-579 La Salle N/A
815-580 Cherry Valley 3/18/2003
815-581 Spring Grove 10/6/2005
815-582 Joliet 10/6/2005
815-583 Morrison N/A
815-584 Dwight N/A
815-585 Morris 5/3/2002
815-586 Ransom N/A
815-587 Ottawa 4/2/2002
815-588 Lockport N/A
815-589 Fulton N/A
815-590 Sterling 7/14/2003
815-591 Hanover N/A
815-592 Kankakee N/A
815-593 De Kalb N/A
815-594 Apple River N/A
815-595 Oregon 10/2/2003
815-596 Marengo 2/10/2006
815-597 Garden Prairie N/A
815-598 Massbach N/A
815-599 Freeport N/A

NPANXX Area served1 Date2
815-600 Joliet 7/14/2003
815-601 Rockford N/A
815-602 Kankakee N/A
815-603 Joliet 9/28/2001
815-604 Belvidere 7/31/2019
815-605 Grant Park 4/2/2002
815-606 Ottawa N/A
815-607 Flanagan 11/16/2004
815-608 Rockford 9/30/2002
815-609 Plainfield 10/24/2001
815-610 Cornell 11/16/2004
815-612 Graymont 11/16/2004
815-613 Dixon 8/30/2019
815-614 Kankakee N/A
815-615 Mendota 10/31/2001
815-616 Freeport 1/7/2004
815-617 Ottawa N/A
815-618 Freeport 12/21/2006
815-619 Rockton 5/27/2003
815-620 Minooka 10/31/2018
815-621 Rockford N/A
815-622 Sterling N/A
815-623 Roscoe N/A
815-624 Rockton N/A
815-625 Sterling N/A
815-626 Sterling N/A
815-627 Paw Paw N/A
815-628 West Brooklyn N/A
815-629 Shirland N/A
815-630 Joliet 7/24/2006
815-631 Sterling N/A
815-632 Sterling N/A
815-633 Rockford N/A
815-634 Coal City N/A
815-635 Chatsworth N/A
815-636 Rockford N/A
815-637 Rockford N/A
815-638 La Moille N/A
815-639 Rockford N/A
815-640 Ottawa 12/28/2001
815-641 Joliet 1/21/2008
815-642 Minooka N/A
815-643 Dover N/A
815-644 Crescent City N/A
815-645 Stilman Valley N/A
815-646 Tiskilwa N/A
815-647 Cullom N/A
815-648 Hebron N/A
815-649 Gardner N/A
815-650 Freeport N/A
815-651 Joliet N/A
815-652 Grand Detour N/A
815-653 Wonder Lake N/A
815-654 Rockford N/A
815-655 Coal City 2/18/2019
815-656 Freeport 6/26/2002
815-657 Forrest N/A
815-658 Newark 8/2/2019
815-659 Bureau N/A
815-660 Lockport N/A
815-661 Morris N/A
815-662 Momence N/A
815-663 Spring Valley N/A
815-664 Spring Valley N/A
815-665 Ottawa N/A
815-666 Joliet 8/30/2006
815-667 Utica N/A
815-668 Rockford 4/2/2009
815-669 Mchenry N/A
815-670 Rockford N/A
815-671 Joliet N/A
815-672 Streator N/A
815-673 Streator N/A
815-674 Streator N/A
815-675 Spring Grove N/A
815-676 Plainfield N/A
815-677 Dixon 3/17/2005
815-678 Richmond N/A
815-679 Mchenry N/A
815-680 Manhattan N/A
815-681 Oglesby 7/30/2010
815-682 Stockland N/A
815-683 Crescent City N/A
815-684 Chadwick N/A
815-685 Joliet N/A
815-686 Piper City N/A
815-687 Woodstock N/A
815-688 Strawn N/A
815-689 Cullom N/A
815-690 Joliet N/A
815-691 Utica N/A
815-692 Fairbury N/A
815-693 Joliet N/A
815-694 Clifton N/A
815-695 Newark N/A
815-696 Roscoe 5/27/2003
815-697 Chebanse N/A
815-698 Ashkum N/A
815-699 Wyanet N/A
NPANXX Area served1 Date2
815-701 Woodstock 4/2/2002
815-702 Saunemin N/A
815-703 Rockford 6/4/2002
815-704 South Beloit 2/23/2001
815-705 Morris 12/28/2001
815-706 Rockford 9/3/2019
815-707 Gilman 12/6/2001
815-708 Rockford 6/23/2006
815-709 Coal City 12/28/2001
815-710 Morris 1/24/2001
815-712 La Salle 7/5/2002
815-713 Rockford 9/28/2001
815-714 Joliet N/A
815-715 Joliet 5/22/2001
815-716 Sterling 10/31/2001
815-717 New Lenox N/A
815-718 Sterling 10/22/2002
815-719 Princeton 7/5/2002
815-720 Rockford N/A
815-721 Rockford N/A
815-722 Joliet N/A
815-723 Joliet N/A
815-724 Joliet N/A
815-725 Joliet N/A
815-726 Joliet N/A
815-727 Joliet N/A
815-728 Wonder Lake N/A
815-729 Joliet N/A
815-730 Joliet N/A
815-731 Plainfield 2/16/2006
815-732 Oregon N/A
815-733 Plainfield N/A
815-734 Mount Morris N/A
815-735 Joliet N/A
815-736 Lisbon N/A
815-737 South Sharon N/A
815-738 Leaf River N/A
815-739 Sycamore N/A
815-740 Joliet N/A
815-741 Joliet N/A
815-742 Rockford N/A
815-743 Graymont N/A
815-744 Joliet N/A
815-745 Warren N/A
815-746 Marseilles 5/13/2008
815-747 East Dubuque N/A
815-748 De Kalb N/A
815-749 Lockport 8/19/2022
815-750 Marseilles 1/23/2003
815-751 De Kalb N/A
815-752 De Kalb N/A
815-753 De Kalb N/A
815-754 De Kalb N/A
815-755 Seneca 1/8/2016
815-756 De Kalb N/A
815-757 De Kalb N/A
815-758 De Kalb N/A
815-759 Mchenry N/A
815-760 Bureau 10/25/2005
815-761 De Kalb N/A
815-762 De Kalb N/A
815-763 Joliet 10/11/2022
815-764 De Kalb N/A
815-765 Poplar Grove N/A
815-766 De Kalb N/A
815-767 La Grange 4/16/2001
815-768 Joliet N/A
815-769 Seneca 4/27/2001
815-770 Harvard 2/13/2006
815-771 Ashkum N/A
815-772 Morrison N/A
815-773 Joliet N/A
815-774 Joliet N/A
815-775 Woodstock N/A
815-776 Galena N/A
815-777 Galena N/A
815-778 Lyndon N/A
815-780 La Salle 8/22/2001
815-781 Chebanse N/A
815-782 Plainfield N/A
815-783 Gilman N/A
815-784 Genoa N/A
815-785 Watseka N/A
815-786 Sandwich N/A
815-787 De Kalb N/A
815-788 Crystal Lake 3/22/2001
815-789 Orangeville N/A
815-790 Woodstock N/A
815-791 Joliet 7/24/2001
815-792 Harding N/A
815-793 De Kalb 6/25/2001
815-794 Marseilles N/A
815-795 Marseilles N/A
815-796 Flanagan N/A
815-797 Somonauk 12/6/2001
815-798 Milledgeville N/A
815-799 Manlius 8/22/2001
NPANXX Area served1 Date2
815-800 Poplar Grove 3/24/2010
815-801 Freeport N/A
815-802 Kankakee 9/28/2001
815-803 Byron 3/22/2001
815-804 Pecatonica N/A
815-805 Durand N/A
815-806 Frankfort N/A
815-807 German Valley N/A
815-808 Winslow N/A
815-809 Lena N/A
815-810 Pearl City N/A
815-812 Dakota N/A
815-813 Apple River N/A
815-814 Woodstock 4/27/2001
815-816 Cedarville N/A
815-817 Hanover N/A
815-818 Warren N/A
815-819 Orangeville N/A
815-820 Elizabeth N/A
815-821 Freeport 5/22/2001
815-822 Streator 4/27/2001
815-823 Joliet N/A
815-824 Shabbona N/A
815-825 Malta N/A
815-826 Somonauk 5/12/2004
815-827 Maple Park N/A
815-828 Minooka 8/22/2001
815-829 Chadwick N/A
815-830 Oglesby N/A
815-831 Davis N/A
815-832 Saunemin N/A
815-833 Mcconnell N/A
815-834 Lockport N/A
815-835 Dixon N/A
815-836 Lockport N/A
815-837 Forreston N/A
815-838 Lockport N/A
815-839 Kankakee N/A
815-840 Stockton N/A
815-841 Mount Morris N/A
815-842 Pontiac N/A
815-843 Ashton N/A
815-844 Pontiac N/A
815-845 Scales Mound N/A
815-846 Joliet N/A
815-847 Rockford 4/18/2005
815-848 Pontiac N/A
815-849 Sublette N/A
815-850 Seward N/A
815-851 Kankakee N/A
815-852 Scales Mound N/A
815-853 Wenona N/A
815-854 Long Point N/A
815-855 Milledgeville 4/2/2002
815-856 Leonore N/A
815-857 Amboy N/A
815-858 Elizabeth N/A
815-859 Rochelle 9/30/2019
815-860 Elwood 3/5/2010
815-861 Woodstock N/A
815-862 Richmond 11/18/2008
815-863 Rutland N/A
815-864 Shannon N/A
815-865 Davis N/A
815-866 Princeton N/A
815-867 Pontiac 4/27/2001
815-868 Mcconnell N/A
815-869 Magnolia N/A
815-870 Rockford N/A
815-871 Rockford N/A
815-872 Princeton N/A
815-873 New Milford N/A
815-874 New Milford N/A
815-875 Princeton N/A
815-876 Princeton N/A
815-877 Rockford N/A
815-878 Princeton N/A
815-879 Princeton N/A
815-880 Woodstock 1/24/2001
815-881 Oregon N/A
815-882 Mcnabb N/A
815-883 Oglesby N/A
815-884 Earlville 3/23/2010
815-885 Rock Cut N/A
815-886 Lockport N/A
815-887 Harvard 5/3/2002
815-888 Rochelle 11/27/2006
815-889 Milford N/A
815-890 New Milford 5/27/2003
815-891 Winnebago 6/25/2001
815-892 Stilman Valley 11/21/2019
815-893 Crystal Lake 12/30/2004
815-894 Ladd N/A
815-895 Sycamore N/A
815-896 Shirland 7/24/2001
815-897 Lyndon N/A
815-898 Massbach 2/23/2001
815-899 Sycamore N/A

NPANXX Area served1 Date2
815-900 Mchenry 8/4/2010
815-901 De Kalb 2/14/2005
815-902 Thomson 6/25/2001
815-903 Mchenry 2/27/2002
815-904 Rockford 8/31/2006
815-905 Lockport 2/27/2002
815-906 Mount Carroll 4/21/2006
815-907 Manteno 12/6/2001
815-908 Freeport N/A
815-909 De Kalb 5/22/2001
815-910 Mendota 6/25/2001
815-912 Belvidere 9/28/2001
815-913 Chadwick N/A
815-914 Rockford N/A
815-915 Princeton 12/28/2001
815-916 Plattville N/A
815-917 Rochelle N/A
815-918 Clifton 8/22/2001
815-919 Joliet 2/23/2001
815-920 Cornell 11/22/2005
815-921 Rockford 4/27/2001
815-922 Kankakee N/A
815-923 Union N/A
815-924 Prophetstown N/A
815-925 Hennepin N/A
815-926 Wilmington 5/22/2001
815-927 Joliet N/A
815-928 Kankakee N/A
815-929 Kankakee N/A
815-930 Elizabeth 6/4/2002
815-931 Joliet N/A
815-932 Kankakee N/A
815-933 Kankakee N/A
815-934 Emington N/A
815-935 Kankakee N/A
815-936 Kankakee N/A
815-937 Kankakee N/A
815-938 Forreston N/A
815-939 Kankakee N/A
815-940 Gardner 5/3/2002
815-941 Morris N/A
815-942 Morris N/A
815-943 Harvard N/A
815-944 Momence N/A
815-945 Chenoa N/A
815-946 Polo N/A
815-947 Stockton N/A
815-948 Hooppole N/A
815-949 Cabery N/A
815-951 Amboy N/A
815-952 Lanark 7/18/2006
815-953 Kankakee N/A
815-954 Kankakee N/A
815-955 Joliet 7/5/2002
815-956 Morrison N/A
815-957 Rockton 2/22/2005
815-960 Leaf River 6/4/2002
815-961 Rockford N/A
815-962 Rockford N/A
815-963 Rockford N/A
815-964 Rockford N/A
815-965 Rockford N/A
815-966 Rockford N/A
815-967 Rockford N/A
815-968 Rockford N/A
815-969 Rockford N/A
815-970 Sycamore 7/5/2002
815-971 Rockford N/A
815-972 Rockford N/A
815-973 Dixon N/A
815-974 Hebron 7/3/2018
815-975 Belvidere 9/3/2002
815-977 Rockford 6/25/2003
815-978 Rockford N/A
815-979 Rockford N/A
815-980 Rockford 6/15/2006
815-981 De Kalb 9/30/2002
815-982 Tampico N/A
815-983 Rockford N/A
815-984 Wellington N/A
815-985 Rockford N/A
815-986 Rockford N/A
815-987 Rockford N/A
815-988 Rockford N/A
815-989 Prophetstown 1/4/2005
815-990 Freeport 10/22/2002
815-991 Sycamore N/A
815-992 Streator 4/21/2005
815-993 Oglesby 9/22/2006
815-994 Dixon 4/14/2003
815-995 De Kalb 6/10/2009
815-996 Savanna N/A
815-997 Rockford 3/26/2003
815-998 Odell N/A
815-999 Joliet 7/14/2003
  1. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  2. Assignment date. N/A - mostly CO codes assigned before 2001.
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Cities in area code 815

City1 County Time2
Alden McHenry C
Amboy Lee C
Ancona Livingston C
Apple River Jo Daviess C
Arlington Bureau C
Aroma Park Kankakee C
Ashkum Iroquois C
Ashton Lee C
Baileyville Ogle C
Beaverville Iroquois C
Belvidere Boone C
Blackstone Livingston C
Bonfield Kankakee C
Bourbonnais Kankakee C
Braceville Grundy C
Bradley Kankakee C
Braidwood Will C
Buckingham Kankakee C
Bureau Bureau C
Byron Ogle C
Cabery Ford C
Caledonia Boone C
Campus Livingston C
Capron Boone C
Cedar Point La Salle C
Cedarville Stephenson C
Chadwick Carroll C
Chana Ogle C
Channahon Will C
Chatsworth Livingston C
Chebanse Iroquois C
Chenoa McLean C
Cherry Bureau C
Cherry Valley Winnebago C
Cissna Park Iroquois C
Clare Dekalb C
Claytonville Iroquois C
Clifton Iroquois C
Coal City Grundy C
Compton Lee C
Cornell Livingston C
Cortland Dekalb C
Crescent City Iroquois C
Creston Ogle C
Crystal Lake McHenry C
Cullom Livingston C
Dakota Stephenson C
Dalzell Bureau C
Dana La Salle C
Danforth Iroquois C
Davis Stephenson C
Davis Junction Ogle C
Deer Grove Whiteside C
Dekalb Dekalb C
Depue Bureau C
Dixon Lee C
Donovan Iroquois C
Dover Bureau C
Durand Winnebago C
Dwight Livingston C
Earlville La Salle C
East Dubuque Jo Daviess C
Eldena Lee C
Eleroy Stephenson C
Elizabeth Jo Daviess C
Elwood Will C
Emington Livingston C
Esmond Dekalb C
Essex Kankakee C
Fairbury Livingston C
Flanagan Livingston C
Forrest Livingston C
Forreston Ogle C
Frankfort Will C
Franklin Grove Lee C
Freeport Stephenson C
Fulton Whiteside C
Galena Jo Daviess C
Galt Whiteside C
Garden Prairie Boone C
Gardner Grundy C
Genoa Dekalb C
German Valley Stephenson C
Gilman Iroquois C
Goodwine Iroquois C
Grand Ridge La Salle C
Grant Park Kankakee C
Granville Putnam C
Graymont Livingston C
Hanover Jo Daviess C
Harmon Lee C
Harvard McHenry C
Hebron McHenry C
Hennepin Putnam C
Herscher Kankakee C
Hinckley Dekalb C
Holcomb Ogle C
Homer Glen Will C
Hooppole Henry C
Hopkins Park Kankakee C
Iroquois Iroquois C
Joliet Will C
Kankakee Kankakee C
Kasbeer Bureau C
Kempton Ford C
Kent Stephenson C
Kingston Dekalb C
Kinsman Grundy C
Kirkland Dekalb C
La Moille Bureau C
La Salle La Salle C
Ladd Bureau C
Lanark Carroll C
Leaf River Ogle C
Lee Lee C
Lee Center Lee C
Leland La Salle C
Lena Stephenson C
Leonore La Salle C
Lindenwood Ogle C
Lockport Will C
Long Point Livingston C
Lostant La Salle C
Loves Park Winnebago C
Lyndon Whiteside C
Machesney Park Winnebago C
Magnolia Putnam C
Malden Bureau C
Malta Dekalb C
Manhattan Will C
Manlius Bureau C
Manteno Kankakee C
Maple Park Kane C
Marengo McHenry C
Mark Putnam C
Marseilles La Salle C
Martinton Iroquois C
Mazon Grundy C
Mc Connell Stephenson C
Mc Nabb Putnam C
McHenry McHenry C
Mendota La Salle C
Milford Iroquois C
Milledgeville Carroll C
Millington Kendall C
Minooka Grundy C
Momence Kankakee C
Monroe Center Ogle C
Morris Grundy C
Morrison Whiteside C
Mount Carroll Carroll C
Mount Morris Ogle C
Nachusa Lee C
New Bedford Bureau C
New Lenox Will C
Newark Kendall C
Nora Jo Daviess C
Odell Livingston C
Oglesby La Salle C
Ohio Bureau C
Onarga Iroquois C
Orangeville Stephenson C
Oregon Ogle C
Ottawa La Salle C
Papineau Iroquois C
Paw Paw Lee C
Pearl City Stephenson C
Pecatonica Winnebago C
Peru La Salle C
Piper City Ford C
Plainfield Will C
Polo Ogle C
Pontiac Livingston C
Poplar Grove Boone C
Princeton Bureau C
Prophetstown Whiteside C
Putnam Putnam C
Ransom La Salle C
Reddick Kankakee C
Richmond McHenry C
Ridott Stephenson C
Ringwood McHenry C
Rochelle Ogle C
Rock City Stephenson C
Rock Falls Whiteside C
Rockford Winnebago C
Rockton Winnebago C
Romeoville Will C
Roscoe Winnebago C
Rutland La Salle C
Sandwich Dekalb C
Saunemin Livingston C
Savanna Carroll C
Scales Mound Jo Daviess C
Seatonville Bureau C
Seneca La Salle C
Serena La Salle C
Seward Winnebago C
Shabbona Dekalb C
Shannon Carroll C
Sheffield Bureau C
Sheldon Iroquois C
Sheridan La Salle C
Shirland Winnebago C
Somonauk Dekalb C
South Beloit Winnebago C
South Wilmington Grundy C
Spring Grove McHenry C
Spring Valley Bureau C
St Anne Kankakee C
Standard Putnam C
Sterling Whiteside C
Steward Lee C
Stillman Valley Ogle C
Stockland Iroquois C
Stockton Jo Daviess C
Strawn Livingston C
Streator La Salle C
Sublette Lee C
Sycamore Dekalb C
Tampico Whiteside C
Thomson Carroll C
Tiskilwa Bureau C
Toluca Marshall C
Tonica La Salle C
Triumph La Salle C
Troy Grove La Salle C
Union McHenry C
Union Hill Kankakee C
Utica La Salle C
Van Orin Bureau C
Verona Grundy C
Walnut Bureau C
Warren Jo Daviess C
Waterman Dekalb C
Watseka Iroquois C
Wedron La Salle C
Wellington Iroquois C
Wenona Marshall C
West Brooklyn Lee C
Wilmington Will C
Winnebago Winnebago C
Winslow Stephenson C
Wonder Lake McHenry C
Woodland Iroquois C
Woodstock McHenry C
Woosung Ogle C
Wyanet Bureau C
  1. Listed above are most places served by area code 815. When multiple places in a state/province share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. C stands for Central Time Zone (currently 07:23:54 AM).
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