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 4:27:56 AM on December 22, 2024.
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 |
|---|---|---|
| 815-300 | New Lenox, IL | Illinois Bell Tel Co |
| 815-301 | Crystal Lake, IL | Level 3 Communications, Llc - Il |
| 815-302 | Joliet, IL | Sprint Spectrum, L.p. |
| 815-303 | Princeton, IL | Illinois Valley Cellular Rsa 2-i Partnership |
| 815-304 | Kankakee, IL | Level 3 Communications, Llc - Il |
| 815-305 | Gardner, IL | Level 3 Communications, Llc - Il |
| 815-306 | Lockport, IL | Level 3 Communications, Llc - Il |
| 815-307 | Mchenry, IL | Level 3 Communications, Llc - Il |
| 815-308 | Woodstock, IL | Level 3 Communications, Llc - Il |
| 815-309 | Shannon, IL | Aero North Communications, Inc. - Il |
| 815-310 | Utica, IL | Level 3 Communications, Llc - Il |
| 815-311 | Illinois | |
| 815-312 | Rockford, IL | Ymax Communications Corp. - Il |
| 815-313 | Ottawa, IL | Level 3 Communications, Llc - Il |
| 815-314 | Manhattan, IL | Level 3 Communications, Llc - Il |
| 815-315 | Rockford, IL | Level 3 Communications, Llc - Il |
| 815-316 | Rockford, IL | Tds Metrocom, Inc. - Il |
| 815-317 | Crescent City, IL | Level 3 Communications, Llc - Il |
| 815-318 | Morris, IL | Level 3 Communications, Llc - Il |
| 815-319 | Rockford, IL | United States Cellular - Il |
| 815-320 | New Lenox, IL | Peerless Network Of Illinois, Llc - Il |
| 815-321 | Woodstock, IL | Xo Illinois, Inc. |
| 815-322 | Mchenry, IL | Level 3 Communications, Llc - Il |
| 815-323 | Belvidere, IL | Level 3 Communications, Llc - Il |
| 815-324 | Ottawa, IL | Mediacom Telephony Of Illinois, Llc - Il |
| 815-325 | Joliet, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-326 | Oglesby, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-327 | Plainfield, IL | Level 3 Communications, Llc - Il |
| 815-328 | Lockport, IL | Level 3 Communications, Llc - Il |
| 815-329 | Rockford, IL | At&t Corp. |
| 815-330 | Crescent City, IL | First Communications, Llc - Il |
| 815-331 | Mchenry, IL | Level 3 Communications, Llc - Il |
| 815-332 | Cherry Valley, IL | Frontier North, Inc. - Il |
| 815-333 | Woodstock, IL | Level 3 Communications, Llc - Il |
| 815-334 | Woodstock, IL | Illinois Bell Tel Co |
| 815-335 | Winnebago, IL | Frontier North, Inc. - Il |
| 815-336 | Coleta, IL | Citizens Telecom Co Illinois-frontier Citizens -il |
| 815-337 | Woodstock, IL | Illinois Bell Tel Co |
| 815-338 | Woodstock, IL | Illinois Bell Tel Co |
| 815-339 | Granville, IL | Frontier North, Inc. - Il |
| 815-340 | La Moille, IL | Comcast Ip Phone, Llc |
| 815-341 | Joliet, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-342 | Joliet, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-343 | Oglesby, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-344 | Mchenry, IL | Illinois Bell Tel Co |
| 815-345 | Woodstock, IL | Level 3 Communications, Llc - Il |
| 815-346 | Gardner, IL | Level 3 Communications, Llc - Il |
| 815-347 | Woodstock, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-348 | Kankakee, IL | Us Xchange Of Illinois Llc Dba Choice One Comm Il |
| 815-349 | Mchenry, IL | Xo Illinois, Inc. |
| 815-350 | Franklin Grove, IL | Aero North Communications, Inc. - Il |
| 815-351 | Kankakee, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-352 | Kankakee, IL | Level 3 Communications, Llc - Il |
| 815-353 | Woodstock, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-354 | Woodstock, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-355 | Woodstock, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-356 | Crystal Lake, IL | Illinois Bell Tel Co |
| 815-357 | Seneca, IL | Illinois Bell Tel Co |
| 815-358 | Cornell, IL | C-r Telephone Co. |
| 815-359 | Harmon, IL | Gallatin River Communications Dba Centurylink |
| 815-360 | Sublette, IL | Aero North Communications, Inc. - Il |
| 815-361 | Manhattan, IL | Level 3 Communications, Llc - Il |
| 815-362 | German Valley, IL | Frontier North, Inc. - Il |
| 815-363 | Mchenry, IL | Illinois Bell Tel Co |
| 815-364 | Morris, IL | Level 3 Communications, Llc - Il |
| 815-365 | Reddick, IL | Frontier North, Inc. - Il |
| 815-366 | Ottawa, IL | Level 3 Communications, Llc - Il |
| 815-367 | Winslow, IL | Frontier North, Inc. - Il |
| 815-368 | Lostant, IL | Frontier North, Inc. - Il |
| 815-369 | Lena, IL | Frontier North, Inc. - Il |
| 815-370 | Kankakee, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-371 | Utica, IL | Level 3 Communications, Llc - Il |
| 815-372 | Lockport, IL | Illinois Bell Tel Co |
| 815-373 | Elwood, IL | Us Xchange Of Illinois Llc Dba Choice One Comm Il |
| 815-374 | Dwight, IL | Us Xchange Of Illinois Llc Dba Choice One Comm Il |
| 815-375 | De Kalb, IL | United States Cellular - Il |
| 815-376 | Ohio, IL | Frontier North, Inc. - Il |
| 815-377 | Crescent City, IL | Level 3 Communications, Llc - Il |
| 815-378 | Rockford, IL | Sprint Spectrum, L.p. |
| 815-379 | Walnut, IL | Frontier North, Inc. - Il |
| 815-380 | Sterling, IL | Level 3 Communications, Llc - Il |
| 815-381 | Rockford, IL | Illinois Bell Tel Co |
| 815-382 | Woodstock, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-383 | Crescent City, IL | New Cingular Wireless Pcs, Llc - Il |
| 815-384 | Creston, IL | Frontier North, Inc. - Il |
| 815-385 | Mchenry, IL | Illinois Bell Tel Co |
| 815-386 | Kankakee, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 815-387 | Rockford, IL | Illinois Bell Tel Co |
| 815-388 | Mchenry, IL | Sprint Spectrum, L.p. |
| 815-389 | South Beloit, IL | Illinois Bell Tel Co |
| 815-390 | Braidwood, IL | Comcast Ip Phone, Llc |
| 815-391 | Rockford, IL | Illinois Bell Tel Co |
| 815-392 | Kinsman, IL | Kinsman Mutual Tel. Co. |
| 815-393 | Monroe Center, IL | Frontier North, Inc. - Il |
| 815-394 | Rockford, IL | Illinois Bell Tel Co |
| 815-395 | Rockford, IL | Illinois Bell Tel Co |
| 815-396 | Steward, IL | Frontier North, Inc. - Il |
| 815-397 | Rockford, IL | Illinois Bell Tel Co |
| 815-398 | Rockford, IL | Illinois Bell Tel Co |
| 815-399 | Rockford, IL | Illinois Bell Tel Co |
December 20, 2024