North American Telephone Operator
North American
Telephone Operator

Telephone Area 815. Page 2.

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: 1245678910
Company District Major City Prefix
Frontier NorthStephensonGerman Valley, IL+1-815362-SSSS
Ameritech IllinoisMchenryMchenry, IL+1-815363-SSSS
Broadwing CommunicationsGrundyMorris, IL+1-815364-SSSS
Frontier NorthKankakeeReddick, IL+1-815365-SSSS
Broadwing CommunicationsLa SalleOttawa, IL+1-815366-SSSS
Frontier NorthStephensonWinslow, IL+1-815367-SSSS
Frontier NorthLa SalleLostant, IL+1-815368-SSSS
Frontier NorthStephensonLena, IL+1-815369-SSSS
Cellco Partnership DBA Verizon WirelessKankakeeKankakee, IL+1-815370-SSSS
Broadwing CommunicationsLa SalleUtica, IL+1-815371-SSSS
Ameritech IllinoisWillRomeoville, IL+1-815372-SSSS
Us Xchange Of Illinois LLC DBA Choice One Comm IlWillElwood, IL+1-815373-SSSS
Us Xchange Of Illinois LLC DBA Choice One Comm IlWillDwight, IL+1-815374-SSSS
United States Cellular Corp. - IllinoisDekalbDekalb, IL+1-815375-SSSS
Frontier NorthBureauOhio, IL+1-815376-SSSS
Broadwing CommunicationsIroquoisCrescent City, IL+1-815377-SSSS
Nextel CommunicationsWinnebagoRockford, IL+1-815378-SSSS
Frontier NorthBureauWalnut, IL+1-815379-SSSS
Essex TelcomWhitesideSterling, IL+1-815380-SSSS
Ameritech IllinoisWinnebagoRockford, IL+1-815381-SSSS
New Cingular Wireless PCSMchenryWoodstock, IL+1-815382-SSSS
New Cingular Wireless PCSIroquoisCrescent City, IL+1-815383-SSSS
Frontier NorthDekalbMalta, IL+1-815384-SSSS
Ameritech IllinoisMchenryMchenry, IL+1-815385-SSSS
Cellco Partnership DBA Verizon WirelessKankakeeKankakee, IL+1-815386-SSSS
Ameritech IllinoisWinnebagoRockford, IL+1-815387-SSSS
Nextel CommunicationsMchenryMchenry, IL+1-815388-SSSS
Ameritech IllinoisWinnebagoBeloit, IL+1-815389-SSSS
Comcast Phone Of Illinois DBA ComcoWillBraidwood, IL+1-815390-SSSS
Ameritech IllinoisWinnebagoRockford, IL+1-815391-SSSS
Kinsman Mutual Telephone CompanyGrundyKinsman, IL+1-815392-SSSS
Frontier NorthOgleMonroe Center, IL+1-815393-SSSS
Ameritech IllinoisWinnebagoRockford, IL+1-815394-SSSS
Ameritech IllinoisWinnebagoRockford, IL+1-815395-SSSS
Frontier NorthLeeSteward, IL+1-815396-SSSS
Ameritech IllinoisWinnebagoRockford, IL+1-815397-SSSS
Ameritech IllinoisWinnebagoRockford, IL+1-815398-SSSS
Ameritech IllinoisWinnebagoRockford, IL+1-815399-SSSS
Mediacom Telephony Of IllinoisWinnebagoMorrison, IL+1-815400-SSSS
Level 3 CommunicationsKankakeeKankakee, IL+1-815401-SSSS
Sprint Communications Company, L.p.Jo DaviessGalena, IL+1-815402-SSSS
Sprint Spectrum L.p.MchenryMchenry, IL+1-815403-SSSS
Sprint Spectrum L.p.MchenryCrystal Lake, IL+1-815404-SSSS
Nextel CommunicationsWillJoliet, IL+1-815405-SSSS
Frontier NorthOgleByron, IL+1-815406-SSSS
Ameritech IllinoisWillRomeoville, IL+1-815407-SSSS
Globalcom-ilLa SalleUtica, IL+1-815408-SSSS
Cellco Partnership DBA Verizon WirelessWillJoliet, IL+1-815409-SSSS
Level 3 CommunicationsLa SalleLa Salle, IL+1-815410-SSSS
Broadwing CommunicationsWillFrankfort, IL+1-815412-SSSS
Globalcom-ilGrundyMorris, IL+1-815413-SSSS
New Cingular Wireless PCSLa SalleEarlville, IL+1-815414-SSSS
Ameritech IllinoisLa SalleSeneca, IL+1-815415-SSSS
Ameritech IllinoisGrundyMorris, IL+1-815416-SSSS
Ameritech IllinoisWillBraidwood, IL+1-815417-SSSS
Globalcom-ilWillManhattan, IL+1-815418-SSSS
AT&T LocalLivingstonPontiac, IL+1-815419-SSSS
Essex TelcomDekalbMalta, IL+1-815420-SSSS
Ameritech IllinoisKankakeeHerscher, IL+1-815421-SSSS
Ameritech IllinoisKankakeeSt Anne, IL+1-815422-SSSS
Ameritech IllinoisWillElwood, IL+1-815423-SSSS
Ameritech IllinoisWillElwood, IL+1-815424-SSSS
Broadwing CommunicationsMchenryCrystal Lake, IL+1-815425-SSSS
Ameritech IllinoisKankakeeHerscher, IL+1-815426-SSSS
Ameritech IllinoisKankakeeSt Anne, IL+1-815427-SSSS
Frontier NorthIroquoisMartinton, IL+1-815428-SSSS
Frontier NorthIroquoisSheldon, IL+1-815429-SSSS
Globalcom-ilMchenryMchenry, IL+1-815430-SSSS
Ameritech IllinoisLa SalleOttawa, IL+1-815431-SSSS
Ameritech IllinoisIroquoisWatseka, IL+1-815432-SSSS
Ameritech IllinoisLa SalleOttawa, IL+1-815433-SSSS
Ameritech IllinoisLa SalleOttawa, IL+1-815434-SSSS
Frontier NorthIroquoisBeaverville, IL+1-815435-SSSS
Ameritech IllinoisWillPlainfield, IL+1-815436-SSSS
Frontier NorthPutnamPutnam, IL+1-815437-SSSS
Citizens Telecom Co Illinois-frontier Citizens -ilWhitesideTampico, IL+1-815438-SSSS
Ameritech IllinoisWillPlainfield, IL+1-815439-SSSS
Cellco Partnership DBA Verizon WirelessLeeDixon, IL+1-815440-SSSS
Cellco Partnership DBA Verizon WirelessWhitesideSterling, IL+1-815441-SSSS
Tonica Telephone Co.La SalleTonica, IL+1-815442-SSSS

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