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

--:-- CST   

 

Time difference to GMT/UTC

Standard time: UTC/GMT -6:00 hours
No daylight saving time at the moment
 

Daylight Saving Time 2023 (Summer Time)

DST starts on Sunday 12 March 2023, 02:00
DST ends on Sunday 05 November 2023, 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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