Illinois Area Code 312 Prefixes

Prefix Phone Type City
312-201 Landline Dallas
312-202 Landline Alhambra
312-203 Wireless Atlantic City
312-204 Landline Rochester
312-205 Landline Hutchinson
312-206 Wireless Huntsville
312-207 Landline Atlanta
312-208 Wireless Mc Camey
312-209 Wireless Dallas
312-212 Landline Mesa
312-213 Wireless Des Plaines
312-214 Landline Grand Rapids
312-215 Wireless Royal Oak
312-216 Landline Ogden
312-217 Wireless Los Angeles
312-218 Wireless Lexington
312-219 Wireless Champaign
312-220 Landline Fort Lauderdale
312-221 Wireless Madison
312-222 Landline Kirkland
312-223 Landline New Haven
312-224 Landline Vista
312-225 Landline Portland
312-226 Landline Oklahoma City
312-227 Landline Rochester
312-228 Landline Waukegan
312-229 Landline Zanesville
312-230 Landline Little Rock
312-231 Wireless Santa Rosa
312-232 Wireless Laredo
312-233 Landline Savannah
312-234 Landline Washington
312-235 Landline Baton Rouge
312-236 Landline Binghamton
312-237 Wireless Los Angeles
312-238 Landline Burlington
312-239 Landline Roseville
312-240 Landline Macon
312-241 Wireless Los Angeles
312-242 Landline Denver
312-243 Landline Knoxville
312-244 Landline Billings
312-245 Landline Franklin
312-246 Wireless Denver
312-247 Landline Alexandria
312-248 Wireless Austin
312-249 Wireless Memphis
312-250 Wireless Houston
312-251 Landline Salineville
312-252 Landline San Mateo
312-253 Landline Santa Ana
312-254 Landline Kansas City
312-255 Landline Baltimore
312-256 Landline Royal Oak
312-257 Wireless Jackson
312-258 Landline Lancaster
312-259 Wireless Vista
312-260 Landline Oklahoma City
312-261 Landline Augusta
312-262 Landline Toms River
312-263 Landline Cheyenne
312-264 Landline Cleveland
312-265 Landline Denver
312-266 Landline Waukegan
312-267 Landline Los Angeles
312-268 Landline Dallas
312-269 Landline Oklahoma City
312-271 Wireless West Palm Beach
312-272 Wireless Columbia
312-273 Wireless Royal Oak
312-274 Landline Greensburg
312-275 Landline Omaha
312-276 Landline Plainfield
312-277 Landline Newark
312-278 Landline Syracuse
312-279 Landline Abilen
312-280 Landline Santa Rosa
312-281 Landline Pikesville
312-282 Wireless Green Bay
312-283 Landline Bakersfield
312-284 Landline Long Beach
312-285 Wireless Reading
312-286 Wireless Chico
312-287 Wireless Worcester
312-288 Landline Washington
312-289 Wireless Miami
312-290 Wireless Fresno
312-291 Landline Akron
312-292 Wireless Lafayette
312-293 Landline Melrose
312-294 Landline Denver
312-295 Wireless Lynbrook
312-296 Wireless Colorado Springs
312-297 Landline Raleigh
312-298 Landline Rockford
312-299 Wireless Wichita
312-300 Landline Ontario
312-301 Wireless Newark
312-302 Landline Gary
312-303 Wireless Greenville
312-304 Wireless Santa Ana
312-305 Wireless Jackson
312-306 Landline Richmond
312-307 Wireless Roanoke
312-308 Landline Rochester
312-309 Landline Phoenix
312-310 Wireless Reading
312-313 Landline Peoria
312-314 Wireless Akron
312-315 Wireless Fort Worth
312-316 Wireless Tupelo
312-317 Wireless Nashville
312-318 Wireless Plainfield
312-320 Wireless Lakeland
312-321 Landline Colorado Springs
312-322 Landline Wilmington
312-323 Wireless Charlotte
312-324 Landline Denver
312-325 Landline Lynbrook
312-326 Landline San Mateo
312-327 Landline Rockville
312-328 Landline Providence
312-329 Landline Duluth
312-330 Wireless Charlotte
312-331 Wireless Mesa
312-332 Landline Akron
312-333 Wireless Denver
312-334 Landline Reading
312-335 Landline Abilen
312-336 Landline Greensboro
312-337 Landline Natchez
312-338 Landline Eugene
312-339 Wireless Lowell
312-340 Wireless Cleveland
312-341 Landline Duluth
312-342 Wireless Alexandria
312-343 Wireless Rochester
312-344 Landline Houston
312-345 Landline Herndon
312-346 Landline Atlanta
312-347 Landline Des Moines
312-348 Landline Portland
312-349 Wireless Los Angeles
312-350 Wireless Dallas
312-351 Wireless New Orleans
312-352 Wireless Atlantic City
312-353 Landline Erie
312-354 Wireless Raleigh
312-355 Landline Reno
312-356 Landline Modesto
312-357 Landline Huntington
312-358 Landline Ann Arbor
312-359 Wireless Los Angeles
312-360 Landline Oakland
312-361 Landline Cheyenne
312-362 Landline Detroit
312-363 Landline Tampa
312-364 Landline Boston
312-365 Wireless Evansville
312-367 Wireless Atlantic City
312-368 Landline Erie
312-369 Wireless Macon
312-370 Wireless Greensburg
312-371 Wireless Chicago
312-372 Landline Oceanside
312-373 Landline Cleveland
312-374 Landline Columbia
312-375 Wireless Greensboro
312-376 Landline Lynn
312-377 Landline Virginia Beach
312-378 Wireless Nashville
312-379 Landline Omaha
312-380 Landline Los Angeles
312-381 Landline Jackson
312-382 Landline Lexington
312-384 Landline Pikesville
312-385 Landline Royal Oak
312-386 Landline Greensboro
312-387 Wireless Van Nuys
312-388 Wireless Peoria
312-389 Wireless Clarksville
312-390 Wireless Jackson
312-391 Wireless Laredo
312-393 Wireless Lexington
312-394 Landline Gainesville
312-395 Landline Grand Rapids
312-396 Landline Spring Valley
312-397 Landline Cheyenne
312-398 Wireless Charleston
312-399 Wireless Hartford
312-400 Wireless San Bernardino
312-401 Wireless Santa Barbara
312-402 Wireless Vancouver
312-403 Wireless Scranton
312-404 Wireless Dallas
312-405 Wireless Nashville
312-406 Wireless Augusta
312-407 Landline Cleveland
312-408 Landline Charleston
312-409 Landline Greenville
312-410 Landline Savannah
312-412 Wireless Cleveland
312-413 Landline Denver
312-415 Wireless Vista
312-416 Landline Ontario
312-417 Wireless Walnut Creek
312-418 Wireless Asheville
312-419 Landline Dallas
312-420 Wireless El Paso
312-421 Landline Muskegon
312-422 Landline Hartford
312-423 Landline Cedar Rapids
312-424 Landline Charleston
312-425 Landline Chicago
312-426 Wireless Ann Arbor
312-427 Landline Atlantic City
312-428 Wireless Omaha
312-429 Landline Portland
312-430 Landline Portland
312-431 Landline Grand Junction
312-432 Landline Davy
312-433 Landline Scranton
312-434 Wireless Portland
312-435 Landline Jackson
312-436 Landline Jonesboro
312-437 Wireless Lafayette
312-440 Landline Richmond
312-441 Landline Pittsburgh
312-442 Landline Chicago
312-443 Landline Santa Rosa
312-444 Landline Yuma
312-445 Landline Fresno
312-446 Wireless Greenville
312-447 Landline Green Bay
312-448 Wireless Birmingham
312-449 Wireless Erie
312-450 Wireless Augusta
312-451 Landline Pikesville
312-452 Wireless Scranton
312-453 Landline Belleville
312-454 Landline Saint Petersburg
312-455 Landline Los Angeles
312-456 Landline San Antonio
312-457 Wireless Spring Valley
312-458 Landline Lexington
312-459 Wireless Exton
312-460 Landline Greenville
312-461 Landline Tyler
312-462 Landline Greensburg
312-463 Landline Van Nuys
312-464 Landline Bakersfield
312-465 Landline Worcester
312-466 Landline Las Vegas
312-467 Landline Sioux Falls
312-468 Landline Jackson
312-469 Landline Binghamton
312-470 Landline Reno
312-471 Landline Pittsburgh
312-472 Landline Toledo
312-473 Landline Gary
312-474 Landline Seattle
312-475 Landline Albuquerque
312-476 Landline Oakland
312-477 Wireless Syracuse
312-478 Landline Tacoma
312-479 Landline Waukegan
312-480 Wireless Houston
312-482 Landline Austin
312-483 Landline Colorado Springs
312-484 Wireless Yonkers
312-485 Wireless Virginia Beach
312-486 Landline Roanoke
312-487 Landline Jonesboro
312-488 Landline Portland
312-489 Wireless Topeka
312-490 Wireless Colorado Springs
312-491 Landline Oakland
312-492 Landline Asheville
312-493 Wireless Montgomery
312-494 Landline Louisville
312-495 Wireless Houston
312-496 Landline Chattanooga
312-497 Wireless Houston
312-498 Wireless Jackson
312-499 Landline Baton Rouge
312-501 Wireless Naperville
312-502 Wireless Muskegon
312-503 Landline Rockford
312-504 Wireless Spokane
312-505 Wireless Raleigh
312-506 Landline Doylestown
312-507 Landline Springfield
312-508 Landline Washington
312-509 Landline Wabash
312-510 Wireless Akron
312-512 Wireless Fort Worth
312-513 Wireless New Haven
312-514 Wireless Atlanta
312-515 Wireless Rockford
312-516 Landline Miami
312-517 Landline Providence
312-518 Wireless Moorestown
312-519 Wireless Melrose
312-520 Wireless Albany
312-521 Landline Columbia
312-522 Landline Ogden
312-523 Wireless Evansville
312-524 Wireless Oak Park
312-525 Landline Little Rock
312-526 Landline Philadelphia
312-527 Landline Toledo
312-528 Landline Augusta
312-529 Landline Washington
312-530 Wireless Erie
312-531 Wireless Muncie
312-532 Wireless Reading
312-533 Wireless Lansing
312-534 Landline Huntington Beach
312-536 Landline Manchester
312-537 Landline San Diego
312-540 Landline Cheyenne
312-541 Landline Exton
312-542 Landline Los Angeles
312-543 Wireless Burlington
312-544 Landline Laredo
312-545 Wireless Detroit
312-546 Landline Mesa
312-547 Wireless Eau Claire
312-548 Landline Rochester
312-549 Landline Peoria
312-550 Wireless Saint Cloud
312-551 Landline Fayetteville
312-552 Landline Columbia
312-553 Landline Des Moines
312-554 Landline Dallas
312-556 Wireless Huntsville
312-557 Landline Boston
312-558 Landline El Toro
312-559 Landline Reno
312-560 Wireless Louisville
312-561 Wireless New Orleans
312-562 Wireless Orlando
312-563 Landline Kirkland
312-564 Landline Wichita Falls
312-565 Landline Columbia
312-566 Landline Vista
312-567 Landline Manchester
312-568 Landline Columbus
312-569 Landline Scranton
312-570 Landline Richmond
312-571 Wireless Vero Beach
312-572 Landline Kansas City
312-573 Landline Yonkers
312-574 Landline Quincy
312-575 Landline Kansas City
312-576 Wireless Tucson
312-577 Landline Shreveport
312-578 Landline Miami
312-580 Landline Duluth
312-582 Landline Charleston
312-583 Landline Charleston
312-585 Landline Lowell
312-587 Landline Jacksonville
312-588 Landline Raleigh
312-589 Landline Corpus Christi
312-590 Wireless Denver
312-591 Landline Albany
312-592 Landline Memphis
312-593 Wireless Birmingham
312-594 Landline Racine
312-595 Landline Huntington Beach
312-596 Landline Jacksonville
312-600 Landline Raleigh
312-601 Landline Houston
312-602 Landline Dallas
312-603 Landline Daytona Beach
312-604 Landline Baltimore
312-605 Landline Pittsburgh
312-606 Landline Tucson
312-607 Wireless Reno
312-608 Wireless Lowell
312-609 Landline Lowell
312-610 Wireless Fort Lauderdale
312-612 Landline Honolulu
312-613 Wireless Kirkland
312-614 Landline Waukegan
312-615 Wireless Columbus
312-616 Landline Ogden
312-617 Wireless Atlantic City
312-618 Wireless San Mateo
312-619 Wireless Buffalo
312-620 Landline Billings
312-621 Landline Royal Oak
312-622 Wireless Ogden
312-623 Wireless Rochester
312-624 Landline Sedalia
312-625 Landline Albany
312-626 Landline Santa Ana
312-627 Landline Boston
312-628 Landline Muncie
312-629 Landline Louisville
312-630 Landline Oakland
312-631 Landline Toledo
312-632 Landline Laredo
312-633 Landline Yuma
312-634 Landline Boston
312-635 Landline San Francisco
312-636 Wireless Seattle
312-637 Landline Colorado Springs
312-638 Landline Philadelphia
312-640 Landline Van Nuys
312-641 Landline Washington
312-642 Landline Flint
312-643 Landline San Diego
312-644 Landline Greensburg
312-645 Landline Colorado Springs
312-646 Landline Greensburg
312-647 Wireless Denver
312-648 Landline Springfield
312-649 Landline Ontario
312-650 Landline Appling
312-651 Landline Santa Ana
312-652 Landline Lawton
312-653 Landline Atlanta
312-654 Landline Columbus
312-655 Landline Austin
312-656 Wireless Birmingham
312-657 Wireless Jersey City
312-658 Landline Ontario
312-659 Wireless San Jose
312-660 Landline Albuquerque
312-661 Landline Van Nuys
312-662 Landline Washington
312-663 Landline Columbia
312-664 Landline Fargo
312-665 Landline Muskegon
312-666 Landline Lynbrook
312-667 Landline Phoenix
312-669 Landline Royal Oak
312-670 Landline Orlando
312-671 Wireless Dayton
312-672 Landline Jackson
312-673 Landline Grand Rapids
312-674 Landline Springfield
312-675 Landline Hutchinson
312-676 Landline San Antonio
312-677 Wireless Gulfport
312-678 Wireless Binghamton
312-679 Wireless Eau Claire
312-680 Wireless Laredo
312-681 Landline Dallas
312-682 Wireless Chattanooga
312-683 Landline Phoenix
312-685 Wireless Des Moines
312-688 Wireless Saint Cloud
312-689 Wireless San Francisco
312-690 Landline Clarksville
312-691 Wireless Milwaukee
312-692 Landline Oak Park
312-693 Landline Ann Arbor
312-694 Landline Baltimore
312-695 Landline Wilmington
312-696 Landline Huntington
312-697 Landline Atlanta
312-698 Landline Boise
312-699 Wireless Roanoke
312-701 Landline Davenport
312-702 Landline Mobile
312-703 Wireless Rochester
312-704 Landline Dallas
312-705 Landline Louisville
312-706 Landline Fayetteville
312-707 Landline Fort Lauderdale
312-709 Wireless Augusta
312-710 Landline Dumont
312-712 Landline Savannah
312-713 Wireless Zanesville
312-714 Landline Dallas
312-715 Landline Ann Arbor
312-716 Wireless Kansas City
312-717 Wireless West Palm Beach
312-718 Wireless Eugene
312-719 Wireless San Diego
312-720 Wireless Philadelphia
312-721 Wireless Tallahassee
312-722 Landline Reno
312-724 Landline Jacksonville
312-725 Landline Albany
312-726 Landline San Mateo
312-727 Landline Pikesville
312-729 Landline Augusta
312-730 Landline Billings
312-731 Landline Conroe
312-732 Landline Rochester
312-733 Landline Fargo
312-734 Landline Chicago
312-735 Wireless Grand Rapids
312-737 Landline Philadelphia
312-738 Landline Mobile
312-739 Landline Alhambra
312-740 Wireless Corpus Christi
312-742 Landline Belleville
312-743 Landline Sacramento
312-744 Landline Lakeland
312-745 Landline Cincinnati
312-746 Landline Virginia Beach
312-747 Landline Macon
312-748 Wireless Cheyenne
312-749 Wireless Miami
312-750 Landline Little Rock
312-751 Landline Macon
312-752 Landline Los Angeles
312-753 Landline Greensburg
312-754 Landline Naperville
312-755 Landline Lynn
312-756 Landline Vista
312-757 Landline Otsego
312-758 Wireless Nashville
312-759 Landline Atlanta
312-760 Wireless Appling
312-762 Landline Ada
312-763 Landline Spring Valley
312-765 Landline Chicago
312-767 Landline Lancaster
312-768 Landline Austin
312-769 Wireless Huntsville
312-770 Landline Spokane
312-771 Wireless Toledo
312-772 Wireless Jersey City
312-774 Wireless Tupelo
312-775 Landline San Diego
312-777 Landline Lakeland
312-778 Landline Madison
312-780 Landline Wabash
312-781 Landline Lynbrook
312-782 Landline San Mateo
312-784 Landline Worcester
312-785 Landline Omaha
312-786 Landline Jonesboro
312-787 Landline Toledo
312-788 Landline Tyler
312-789 Landline Grand Island
312-790 Wireless San Jose
312-791 Landline Honolulu
312-792 Landline Dallas
312-793 Landline Yuma
312-794 Landline Vista
312-795 Landline Lubbock
312-797 Landline Fresno
312-798 Landline Santa Barbara
312-799 Landline Corpus Christi
312-800 Landline San Francisco
312-801 Wireless Los Angeles
312-802 Wireless Lowell
312-803 Landline Jersey City
312-804 Wireless London
312-805 Wireless Marquette
312-806 Wireless Greenville
312-807 Landline Lynbrook
312-808 Landline Dallas
312-809 Landline Miami
312-810 Wireless Ogden
312-812 Wireless Lawton
312-813 Wireless Grand Island
312-814 Landline Daytona Beach
312-816 Wireless Shreveport
312-817 Landline Greensboro
312-818 Wireless Austin
312-819 Landline Scranton
312-820 Wireless San Diego
312-821 Landline Scranton
312-822 Landline Baltimore
312-823 Landline Dallas
312-827 Landline Gainesville
312-828 Landline New Haven
312-829 Landline Jackson
312-830 Wireless San Diego
312-831 Landline Houston
312-832 Landline Greensburg
312-833 Wireless Binghamton
312-834 Landline Richmond
312-835 Wireless Eau Claire
312-836 Landline Louisville
312-837 Landline El Toro
312-839 Wireless Omaha
312-840 Landline Boise
312-841 Wireless Albuquerque
312-842 Landline Tupelo
312-843 Landline Houston
312-844 Wireless Reno
312-845 Landline Columbia
312-846 Landline San Antonio
312-848 Wireless Grand Junction
312-849 Landline Akron
312-850 Landline Spring Valley
312-851 Wireless Davy
312-852 Wireless Bakersfield
312-853 Landline Portland
312-854 Landline Billings
312-855 Landline Chicago
312-856 Landline Chattanooga
312-857 Landline Huntsville
312-859 Wireless Kansas City
312-860 Wireless Fayetteville
312-861 Landline Saint Petersburg
312-862 Landline Yonkers
312-863 Landline Melbourne
312-864 Landline Ogden
312-865 Wireless Richmond
312-866 Landline Vancouver
312-867 Landline Denver
312-869 Landline Fargo
312-870 Landline Baltimore
312-871 Landline Jackson
312-873 Landline Grand Junction
312-874 Landline West Palm Beach
312-875 Landline Philadelphia
312-876 Landline Lexington
312-877 Landline Springfield
312-878 Landline Lynn
312-879 Landline Augusta
312-880 Landline San Antonio
312-881 Landline Anchorage
312-882 Wireless Memphis
312-883 Landline San Antonio
312-884 Landline Omaha
312-885 Landline Fresno
312-886 Landline Provo
312-887 Landline Kirkland
312-888 Landline Modesto
312-889 Landline Greenville
312-890 Wireless Alhambra
312-891 Wireless Duluth
312-892 Landline San Jose
312-893 Landline Naperville
312-894 Landline Dallas
312-895 Landline Flint
312-896 Landline Raleigh
312-897 Landline Lexington
312-898 Wireless Syracuse
312-899 Landline Greensburg
312-901 Wireless Kirkland
312-902 Landline Zanesville
312-903 Wireless Des Moines
312-904 Landline Eugene
312-905 Landline Doylestown
312-906 Landline Charlotte
312-907 Wireless Gulfport
312-908 Landline Champaign
312-909 Wireless Seattle
312-910 Wireless Lafayette
312-912 Landline Rochester
312-913 Landline Cincinnati
312-914 Wireless Oklahoma City
312-915 Landline Wilmington
312-916 Wireless Honolulu
312-917 Landline Montgomery
312-918 Wireless Doylestown
312-919 Wireless Memphis
312-920 Landline Orlando
312-921 Landline Jackson
312-922 Landline Little Rock
312-923 Landline Scituate
312-924 Landline Detroit
312-925 Wireless Cleveland
312-926 Landline Columbia
312-927 Wireless Ann Arbor
312-928 Landline Whippany
312-929 Landline Seattle
312-930 Landline Phoenix
312-931 Landline Akron
312-932 Landline Washington
312-933 Wireless Santa Ana
312-934 Landline Columbia
312-935 Landline Saint Cloud
312-936 Wireless Sacramento
312-937 Landline Memphis
312-938 Landline Lancaster
312-939 Landline Greenville
312-940 Landline Roanoke
312-941 Wireless Lafayette
312-942 Landline Green Bay
312-943 Landline Worcester
312-944 Landline Walnut Creek
312-945 Landline Doylestown
312-946 Landline Sacramento
312-947 Landline Natchez
312-948 Landline Zanesville
312-949 Landline Santa Cruz
312-951 Landline New Haven
312-952 Wireless Exton
312-953 Wireless San Jose
312-954 Landline Lawton
312-955 Landline Rochester
312-956 Landline Oceanside
312-957 Landline Vista
312-960 Landline Ann Arbor
312-961 Wireless Augusta
312-962 Landline Virginia Beach
312-963 Wireless Long Beach
312-964 Landline Buffalo
312-965 Wireless Santa Rosa
312-966 Landline Atlantic City
312-967 Landline Topeka
312-968 Wireless Syracuse
312-969 Wireless Alhambra
312-970 Landline Oklahoma City
312-971 Landline Knoxville
312-972 Wireless Daytona Beach
312-973 Landline Tippecanoe
312-974 Landline Reading
312-975 Landline Fayetteville
312-977 Landline Spokane
312-978 Wireless Montgomery
312-979 Wireless St. George
312-980 Landline Grand Island
312-981 Landline Portland
312-982 Landline Columbus
312-983 Landline Charlotte
312-984 Landline Grand Junction
312-985 Landline Wilmington
312-986 Landline Springfield
312-987 Landline Grand Junction
312-988 Landline Fayetteville
312-989 Landline Laredo
312-990 Wireless Scranton
312-991 Wireless Columbia
312-992 Landline Greensburg
312-993 Landline Gilmer
312-994 Landline Tulsa
312-995 Landline Erie
312-996 Landline Phoenix
312-997 Landline Mobile
312-998 Landline Lexington
312-999 Landline Exton