There are 798 phone number prefixes within area code 815. Additionally, there are more than 5,100 phone numbers in this area code that have received at least one user report. The location of calls from area code 815 is Illinois, USA. Most numbers in this area code are in US Central time, where the time is currently 10:42:30 AM on September 13, 2025.
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.
| Prefix | City / State | Primary Telco |
|---|---|---|
| 815-902 | Thomson, IL | Mediacom Telephony Of Illinois, Llc - Il |
| 815-903 | Mchenry, IL | American Messaging Services, Llc |
| 815-904 | Rockford, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-905 | Lockport, IL | Level 3 Communications, Llc - Il |
| 815-906 | Mount Carroll, IL | Mediacom Telephony Of Illinois, Llc - Il |
| 815-907 | Manteno, IL | Level 3 Communications, Llc - Il |
| 815-908 | Freeport, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-909 | De Kalb, IL | T-mobile Usa, Inc. |
| 815-910 | Mendota, IL | Illinois Valley Cellular Rsa 2-i Partnership |
| 815-911 | Illinois | |
| 815-912 | Belvidere, IL | Aero North Communications, Inc. - Il |
| 815-913 | Chadwick, IL | Centurylink Communications, Llc |
| 815-914 | Rockford, IL | Sprint Spectrum, L.p. |
| 815-915 | Princeton, IL | Level 3 Communications, Llc - Il |
| 815-916 | Plattville, IL | Onvoy, Llc |
| 815-917 | Rochelle, IL | Aero North Communications, Inc. - Il |
| 815-918 | Clifton, IL | Level 3 Communications, Llc - Il |
| 815-919 | Joliet, IL | T-mobile Usa, Inc. |
| 815-920 | Cornell, IL | Mediacom Telephony Of Illinois, Llc - Il |
| 815-921 | Rockford, IL | Illinois Bell Tel Co |
| 815-922 | Kankakee, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-923 | Union, IL | Illinois Bell Tel Co |
| 815-924 | Prophetstown, IL | Aero North Communications, Inc. - Il |
| 815-925 | Hennepin, IL | Frontier North, Inc. - Il |
| 815-926 | Wilmington, IL | Level 3 Communications, Llc - Il |
| 815-927 | Joliet, IL | Level 3 Communications, Llc - Il |
| 815-928 | Kankakee, IL | Illinois Bell Tel Co |
| 815-929 | Kankakee, IL | Illinois Bell Tel Co |
| 815-930 | Elizabeth, IL | Mediacom Telephony Of Illinois, Llc - Il |
| 815-931 | Joliet, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-932 | Kankakee, IL | Illinois Bell Tel Co |
| 815-933 | Kankakee, IL | Illinois Bell Tel Co |
| 815-934 | Emington, IL | Frontier North, Inc. - Il |
| 815-935 | Kankakee, IL | Illinois Bell Tel Co |
| 815-936 | Kankakee, IL | Illinois Bell Tel Co |
| 815-937 | Kankakee, IL | Illinois Bell Tel Co |
| 815-938 | Forreston, IL | Frontier North, Inc. - Il |
| 815-939 | Kankakee, IL | Illinois Bell Tel Co |
| 815-940 | Gardner, IL | Level 3 Communications, Llc - Il |
| 815-941 | Morris, IL | Illinois Bell Tel Co |
| 815-942 | Morris, IL | Illinois Bell Tel Co |
| 815-943 | Harvard, IL | Illinois Bell Tel Co |
| 815-944 | Momence, IL | Illinois Bell Tel Co |
| 815-945 | Chenoa, IL | Frontier North, Inc. - Il |
| 815-946 | Polo, IL | Citizens Telecom Co Illinois-frontier Citizens -il |
| 815-947 | Stockton, IL | Frontier North, Inc. - Il |
| 815-948 | Hooppole, IL | Citizens Telecom Co Illinois-frontier Citizens -il |
| 815-949 | Cabery, IL | Frontier North, Inc. - Il |
| 815-950 | Illinois | |
| 815-951 | Amboy, IL | Aero North Communications, Inc. - Il |
| 815-952 | Lanark, IL | Aero North Communications, Inc. - Il |
| 815-953 | Kankakee, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-954 | Kankakee, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-955 | Joliet, IL | Sprint Spectrum, L.p. |
| 815-956 | Morrison, IL | Citizens Telecom Co Illinois-frontier Citizens -il |
| 815-957 | Rockton, IL | Level 3 Communications, Llc - Il |
| 815-958 | Illinois | Illinois Bell Tel Co |
| 815-959 | Illinois | Illinois Bell Tel Co |
| 815-960 | Leaf River, IL | North County Communication Corporation - Ca |
| 815-961 | Rockford, IL | Illinois Bell Tel Co |
| 815-962 | Rockford, IL | Illinois Bell Tel Co |
| 815-963 | Rockford, IL | Illinois Bell Tel Co |
| 815-964 | Rockford, IL | Illinois Bell Tel Co |
| 815-965 | Rockford, IL | Illinois Bell Tel Co |
| 815-966 | Rockford, IL | Illinois Bell Tel Co |
| 815-967 | Rockford, IL | Illinois Bell Tel Co |
| 815-968 | Rockford, IL | Illinois Bell Tel Co |
| 815-969 | Rockford, IL | Illinois Bell Tel Co |
| 815-970 | Sycamore, IL | Sprint Spectrum, L.p. |
| 815-971 | Rockford, IL | Illinois Bell Tel Co |
| 815-972 | Rockford, IL | Illinois Bell Tel Co |
| 815-973 | Dixon, IL | United States Cellular - Il |
| 815-974 | Hebron, IL | Onvoy, Llc |
| 815-975 | Belvidere, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-976 | Illinois | |
| 815-977 | Rockford, IL | Mcimetro Access Transmission Services Llc - Il |
| 815-978 | Rockford, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-979 | Rockford, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-980 | Rockford, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-981 | De Kalb, IL | Level 3 Communications, Llc - Il |
| 815-982 | Tampico, IL | Mediacom Telephony Of Illinois, Llc - Il |
| 815-983 | Rockford, IL | American Messaging Services, Llc |
| 815-984 | Wellington, IL | Frontier Communications Of The Carolinas, Inc - Il |
| 815-985 | Rockford, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-986 | Rockford, IL | Us Xchange Of Illinois Llc Dba Choice One Comm Il |
| 815-987 | Rockford, IL | Illinois Bell Tel Co |
| 815-988 | Rockford, IL | United States Cellular - Il |
| 815-989 | Prophetstown, IL | Mediacom Telephony Of Illinois, Llc - Il |
| 815-990 | Freeport, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-991 | Sycamore, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-992 | Streator, IL | Sprint Spectrum, L.p. |
| 815-993 | Oglesby, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-994 | Dixon, IL | Sprint Spectrum, L.p. |
| 815-995 | De Kalb, IL | Teleport Communications America, Llc - Il |
| 815-996 | Savanna, IL | Centurylink Communications, Llc |
| 815-997 | Rockford, IL | Mcleodusa Telecommunication Services, Inc. - Il |
| 815-998 | Odell, IL | Frontier North, Inc. - Il |
| 815-999 | Joliet, IL | Sprint Spectrum, L.p. |
September 10, 2025