World Time Zone Map Illinois Area Codes 815

815 Area code

Central Time

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815 is an area code located in the state of Illinois, US. The largest city it serves is Rockford.

Location, time zone and map of the 815 area code

Local time

--:-- CDT   

 

Time difference to GMT/UTC

Standard time: UTC/GMT -6:00 hours
Daylight saving time: +1:00 hour
Current time zone offset: UTC/GMT -5:00 hours
Time zone abbreviation: CDT
 

Daylight Saving Time 2021 (Summer Time)

DST starts on Sunday 14 March 2021, 02:00
DST ends on Sunday 07 November 2021, 02:00

 

Time zone

The 815 area code lies within the Central Time (CT)

CST - Central Standard Time
CDT - Central Daylight Time when daylight saving time is being observed (from mid-March to early November)
 

Location

 

Major cities and communities served by area code 815

Winnebago County
  • Rockford
  • Loves Park
  • Machesney Park
  • Roscoe
  • South Beloit
  • Pecatonica
  • New Milford
  • Seward
Will County
  • Joliet
  • Bolingbrook
  • Plainfield
  • Romeoville
  • New Lenox
  • Lockport
  • Crest Hill
  • Frankfort
  • Shorewood
  • Channahon
  • Manhattan
  • Braidwood
  • Wilmington
  • Elwood
DeKalb County
  • DeKalb
  • Sycamore
  • Sandwich
  • Genoa
  • Hinckley
  • Kirkland
  • Waterman
  • Malta
McHenry County
  • Crystal Lake
  • McHenry
  • Woodstock
  • Harvard
  • Lakemoor
  • Richmond
  • Hebron
  • Union
Cook County
  • Northbrook
Kankakee County
  • Kankakee
  • Bradley
  • Manteno
  • Momence
  • Herscher
  • Grant Park
  • Chebanse
  • Hopkins Park
Boone County
  • Belvidere
  • Poplar Grove
  • Capron
Stephenson County
  • Freeport
  • Lena
  • Pearl City
  • Orangeville
  • Cedarville
  • Davis
  • Dakota
La Salle County
  • Ottawa
  • Streator
  • Peru
  • La Salle
  • Mendota
  • Marseilles
  • Sheridan
  • Seneca
  • Leland
  • Tonica
  • Grand Ridge
  • Lostant
  • Rutland
Lee County
  • Dixon
  • Amboy
  • Franklin Grove
  • Ashton
  • Paw Paw
  • Sublette
  • Steward
  • Harmon
Whiteside County
  • Sterling
  • Rock Falls
  • Morrison
  • Fulton
  • Prophetstown
  • Tampico
  • Lyndon
Grundy County
  • Morris
  • Minooka
  • Coal City
  • Mazon
Livingston County
  • Pontiac
  • Fairbury
  • Chatsworth
  • Flanagan
  • Odell
  • Cullom
  • Cornell
  • Saunemin
  • Long Point
  • Reddick
  • Strawn
Ogle County
  • Rochelle
  • Byron
  • Oregon
  • Mount Morris
  • Polo
  • Forreston
  • Grand Detour
Bureau County
  • Princeton
  • Depue
  • Walnut
  • Ladd
  • Sheffield
  • Tiskilwa
  • La Moille
  • Ohio
  • Manlius
Iroquois County
  • Watseka
  • Gilman
  • Clifton
  • Onarga
  • Milford
  • Cissna Park
  • Ashkum
  • Danforth
  • Martinton
  • Woodland
  • Donovan
  • Wellington
  • Stockland
Jo Daviess County
  • Galena
  • Stockton
  • Warren
  • Hanover
  • Elizabeth
  • Scales Mound
Carroll County
  • Savanna
  • Mount Carroll
  • Lanark
  • Milledgeville
  • Shannon
  • Thomson
  • Chadwick
McLean County
  • Chenoa
Putnam County
  • Granville
  • Hennepin
Marshall County
  • Wenona
Kendall County
  • Lisbon
Ford County
  • Cabery
  • Kempton
Henry County
  • Hooppole
 
 

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