Below on the map, there is indicated the largest city in the telephone area +1-815-...-.... Illinois Rockford.
Company |
District |
Major City |
Prefix |
Frontier North | Ford | Piper City, IL | +1-815686-SSSS |
Rcn Telecom Services Of Illinois | Mchenry | Woodstock, IL | +1-815687-SSSS |
Frontier North | Livingston | Strawn, IL | +1-815688-SSSS |
Frontier Communications Of Illinois | Livingston | Cullom, IL | +1-815689-SSSS |
United States Cellular Corp. - Illinois | Will | Joliet, IL | +1-815690-SSSS |
Rcn Telecom Services Of Illinois | La Salle | Utica, IL | +1-815691-SSSS |
Frontier North | Livingston | Fairbury, IL | +1-815692-SSSS |
Nextel Communications | Will | Joliet, IL | +1-815693-SSSS |
Frontier North | Iroquois | Clifton, IL | +1-815694-SSSS |
Ameritech Illinois | Kendall | Newark, IL | +1-815695-SSSS |
Aero North Communications | Winnebago | Roscoe, IL | +1-815696-SSSS |
Frontier North | Iroquois | Chebanse, IL | +1-815697-SSSS |
Frontier North | Iroquois | Ashkum, IL | +1-815698-SSSS |
Frontier North | Bureau | Wyanet, IL | +1-815699-SSSS |
Level 3 Communications | Mchenry | Woodstock, IL | +1-815701-SSSS |
Sprint Communications Company, L.p. | Livingston | Saunemin, IL | +1-815702-SSSS |
Nextel Communications | Winnebago | Rockford, IL | +1-815703-SSSS |
Mcleodusa Telecommunications Services- Il | Winnebago | Beloit, IL | +1-815704-SSSS |
Teleport Communications Group - Chicago | Grundy | Morris, IL | +1-815705-SSSS |
Essex Telcom | Whiteside | Lyndon, IL | +1-815706-SSSS |
Level 3 Communications | Iroquois | Gilman, IL | +1-815707-SSSS |
Comcast Phone Of Illinois DBA Comco | | Rockford, IL | +1-815708-SSSS |
Level 3 Communications | Grundy | Coal City, IL | +1-815709-SSSS |
AT&T Local | Grundy | Morris, IL | +1-815710-SSSS |
Nextel Communications | Mchenry | Harvard, IL | +1-815712-SSSS |
New Cingular Wireless PCS | Winnebago | Rockford, IL | +1-815713-SSSS |
Sprint Communications Company, L.p. | Will | Joliet, IL | +1-815714-SSSS |
New Cingular Wireless PCS | Will | Joliet, IL | +1-815715-SSSS |
Nextel Communications | Whiteside | Sterling, IL | +1-815716-SSSS |
Broadwing Communications | Will | New Lenox, IL | +1-815717-SSSS |
United States Cellular Corp. - Illinois | Whiteside | Sterling, IL | +1-815718-SSSS |
Nextel Communications | Bureau | Princeton, IL | +1-815719-SSSS |
Ameritech Illinois | Winnebago | Rockford, IL | +1-815720-SSSS |
AT&T Local | Winnebago | Rockford, IL | +1-815721-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815722-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815723-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815724-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815725-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815726-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815727-SSSS |
Frontier North | Mchenry | Wonder Lake, IL | +1-815728-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815729-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815730-SSSS |
Ameritech Illinois | | Plainfield, IL | +1-815731-SSSS |
Frontier North | Ogle | Oregon, IL | +1-815732-SSSS |
Rcn Telecom Services Of Illinois | Will | Plainfield, IL | +1-815733-SSSS |
Frontier North | Ogle | Mt Morris, IL | +1-815734-SSSS |
New Cingular Wireless PCS | Will | Joliet, IL | +1-815735-SSSS |
Ameritech Illinois | Kendall | Lisbon, IL | +1-815736-SSSS |
Sharon Telephone Co. - Illinois | Boone | Capron, IL | +1-815737-SSSS |
Leaf River Telephone Co. | Ogle | Leaf River, IL | +1-815738-SSSS |
Nextel Communications | Dekalb | Sycamore, IL | +1-815739-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815740-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815741-SSSS |
United States Cellular Corp. - Illinois | Winnebago | Rockford, IL | +1-815742-SSSS |
Frontier Communications Of Prairie | Livingston | Graymont, IL | +1-815743-SSSS |
Ameritech Illinois | Will | Joliet, IL | +1-815744-SSSS |
Frontier North | Jo Daviess | Warren, IL | +1-815745-SSSS |
Marseilles Telephone Co. Of Marseilles | Dekalb | Marseilles, IL | +1-815746-SSSS |
Citizens Telecom Co Illinois-frontier Citizens -il | Jo Daviess | East Dubuque, IL | +1-815747-SSSS |
Frontier North | Dekalb | Dekalb, IL | +1-815748-SSSS |
Answer America DBA Answer Usa | Winnebago | Rockford, IL | +1-815749-SSSS |
Marseilles Telephone Co. Of Marseilles | La Salle | Marseilles, IL | +1-815750-SSSS |
Cellco Partnership DBA Verizon Wireless | Dekalb | Dekalb, IL | +1-815751-SSSS |
Frontier North | Dekalb | Dekalb, IL | +1-815752-SSSS |
Frontier North | Dekalb | Dekalb, IL | +1-815753-SSSS |
Frontier North | Dekalb | Dekalb, IL | +1-815754-SSSS |
American Messaging (am) | Dekalb | Dekalb, IL | +1-815755-SSSS |
Frontier North | Dekalb | Dekalb, IL | +1-815756-SSSS |
United States Cellular Corp. - Illinois | Dekalb | Dekalb, IL | +1-815757-SSSS |
Frontier North | Dekalb | Dekalb, IL | +1-815758-SSSS |
Ameritech Illinois | Mchenry | Mchenry, IL | +1-815759-SSSS |
Cellco Partnership DBA Verizon Wireless | Putnam | Hennepin, IL | +1-815760-SSSS |
Cellco Partnership DBA Verizon Wireless | Dekalb | Dekalb, IL | +1-815761-SSSS |
Cellco Partnership DBA Verizon Wireless | Dekalb | Dekalb, IL | +1-815762-SSSS |
Answer America DBA Answer Usa | Winnebago | Rockford, IL | +1-815763-SSSS |
United States Cellular Corp. - Illinois | Dekalb | Dekalb, IL | +1-815764-SSSS |
Frontier North | Boone | Poplar Grove, IL | +1-815765-SSSS |
United States Cellular Corp. - Illinois | Dekalb | Dekalb, IL | +1-815766-SSSS |
American Messaging (am) | Cook | La Grange Park, IL | +1-815767-SSSS |
+14540256458
do not answer, scam, pretending they are from microsoft and they want remote access to your computer to fix some bugs