North American Telephone Operator
North American
Telephone Operator

Telephone Area 815. Page 5.

Phone numbers of the state Illinois
Prefix: +1815
This prefix is distributed within the state Illinois
The largest city in the region is Rockford
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
Below on the map, there is indicated the largest city in the telephone area +1-815-...-.... Illinois Rockford.

In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.

The table below shows the main major cities and telecom operators.

If you notice any errors of any community’s location on the map, please report it via the feedback form.

Phone numbers +1-815-YYY-YYYY

Other pages: 1234578910
Company District Major City Prefix
Level 3 CommunicationsKankakeeGrant Park, IL+1-815605-SSSS
Globalcom-ilLa SalleOttawa, IL+1-815606-SSSS
Bitwise CommunicationsLivingstonFlanagan, IL+1-815607-SSSS
T-mobile UsaWinnebagoRockford, IL+1-815608-SSSS
Ameritech IllinoisWillPlainfield, IL+1-815609-SSSS
Bitwise CommunicationsLivingstonCornell, IL+1-815610-SSSS
Bitwise CommunicationsLivingstonGraymont, IL+1-815612-SSSS
Essex TelcomCarrollMt Carroll, IL+1-815613-SSSS
Broadwing CommunicationsKankakeeKankakee, IL+1-815614-SSSS
Level 3 CommunicationsLa SalleMendota, IL+1-815615-SSSS
T-mobile UsaStephensonFreeport, IL+1-815616-SSSS
AT&T LocalLa SalleOttawa, IL+1-815617-SSSS
New Cingular Wireless PCSFreeport, IL+1-815618-SSSS
Aero North CommunicationsWinnebagoRockton, IL+1-815619-SSSS
Essex TelcomWhitesideProphetstown, IL+1-815620-SSSS
Sprint Spectrum L.p.WinnebagoRockford, IL+1-815621-SSSS
Ameritech IllinoisWhitesideSterling, IL+1-815622-SSSS
Frontier NorthWinnebagoRoscoe, IL+1-815623-SSSS
Frontier NorthWinnebagoRockton, IL+1-815624-SSSS
Ameritech IllinoisWhitesideSterling, IL+1-815625-SSSS
Ameritech IllinoisWhitesideSterling, IL+1-815626-SSSS
Frontier NorthLeePaw Paw, IL+1-815627-SSSS
Frontier NorthLeeWest Brooklyn, IL+1-815628-SSSS
Frontier NorthWinnebagoDurand, IL+1-815629-SSSS
T-mobile UsaJoliet, IL+1-815630-SSSS
Ameritech IllinoisWhitesideSterling, IL+1-815631-SSSS
Ameritech IllinoisWhitesideSterling, IL+1-815632-SSSS
Ameritech IllinoisWinnebagoLoves Park, IL+1-815633-SSSS
Ameritech IllinoisGrundyCoal City, IL+1-815634-SSSS
Frontier NorthLivingstonChatsworth, IL+1-815635-SSSS
Ameritech IllinoisWinnebagoLoves Park, IL+1-815636-SSSS
Ameritech IllinoisWinnebagoLoves Park, IL+1-815637-SSSS
Frontier NorthBureauLa Moille, IL+1-815638-SSSS
Ameritech IllinoisWinnebagoLoves Park, IL+1-815639-SSSS
Teleport Communications Group - ChicagoLa SalleOttawa, IL+1-815640-SSSS
Cellco Partnership DBA Verizon WirelessRockford, IL+1-815641-SSSS
Broadwing CommunicationsGrundyMinooka, IL+1-815642-SSSS
Frontier NorthBureauMalden, IL+1-815643-SSSS
Rcn Telecom Services Of IllinoisIroquoisCrescent City, IL+1-815644-SSSS
Frontier NorthOgleStillman Valley, IL+1-815645-SSSS
Frontier NorthBureauTiskilwa, IL+1-815646-SSSS
Sprint Communications Company, L.p.LivingstonCullom, IL+1-815647-SSSS
Frontier NorthMchenryHebron, IL+1-815648-SSSS
Rcn Telecom Services Of IllinoisGrundyGardner, IL+1-815649-SSSS
AT&T LocalStephensonFreeport, IL+1-815650-SSSS
Rcn Telecom Services Of IllinoisWillJoliet, IL+1-815651-SSSS
Gallatin River Communications DBA CenturylinkLeeDixon, IL+1-815652-SSSS
Frontier NorthMchenryWonder Lake, IL+1-815653-SSSS
Ameritech IllinoisWinnebagoLoves Park, IL+1-815654-SSSS
Essex TelcomCarrollMilledgeville, IL+1-815655-SSSS
Level 3 CommunicationsStephensonFreeport, IL+1-815656-SSSS
Ameritech IllinoisLivingstonForrest, IL+1-815657-SSSS
Essex TelcomCarrollLanark, IL+1-815658-SSSS
Frontier NorthPutnamHennepin, IL+1-815659-SSSS
Rcn Telecom Services Of IllinoisWillLockport, IL+1-815660-SSSS
Rcn Telecom Services Of IllinoisGrundyMorris, IL+1-815661-SSSS
Level 3 CommunicationsKankakeeMomence, IL+1-815662-SSSS
Frontier NorthBureauSpring Valley, IL+1-815663-SSSS
Frontier NorthBureauSpring Valley, IL+1-815664-SSSS
Rcn Telecom Services Of IllinoisLa SalleOttawa, IL+1-815665-SSSS
Cellco Partnership DBA Verizon WirelessJoliet, IL+1-815666-SSSS
Ameritech IllinoisLa SalleUtica, IL+1-815667-SSSS
Neutral Tandem-illinoisWillRockford, IL+1-815668-SSSS
Level 3 CommunicationsMchenryMchenry, IL+1-815669-SSSS
Sprint Spectrum L.p.WinnebagoRockford, IL+1-815670-SSSS
Level 3 CommunicationsWillJoliet, IL+1-815671-SSSS
Frontier NorthLa SalleStreator, IL+1-815672-SSSS
Frontier NorthLa SalleStreator, IL+1-815673-SSSS
New Cingular Wireless PCSLa SalleStreator, IL+1-815674-SSSS
Frontier NorthMchenrySpring Grove, IL+1-815675-SSSS
Level 3 CommunicationsWillPlainfield, IL+1-815676-SSSS
Cellco Partnership DBA Verizon WirelessJo DaviessElizabeth, IL+1-815677-SSSS
Frontier NorthMchenryRichmond, IL+1-815678-SSSS
Rcn Telecom Services Of IllinoisMchenryMchenry, IL+1-815679-SSSS
Rcn Telecom Services Of IllinoisWillManhattan, IL+1-815680-SSSS
Cellco Partnership DBA Verizon WirelessWinnebagoRockford, IL+1-815681-SSSS
Frontier Communications Of The Carolinas, IncIroquoisMilford, IL+1-815682-SSSS
Ameritech IllinoisIroquoisCrescent City, IL+1-815683-SSSS
Citizens Telecom Co Illinois-frontier Citizens -ilCarrollChadwick, IL+1-815684-SSSS
New Cingular Wireless PCSWillJoliet, IL+1-815685-SSSS

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