World Time Zone Map New Hampshire Area Codes 603

603 Area code

Eastern Time

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603 is an area code located in the state of New Hampshire, US. The largest city it serves is Manchester.

Location, time zone and map of the 603 area code

Local time

--:-- EDT   

 

Time difference to GMT/UTC

Standard time: UTC/GMT -5:00 hours
Daylight saving time: +1:00 hour
Current time zone offset: UTC/GMT -4:00 hours
Time zone abbreviation: EDT
 

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 603 area code lies within the Eastern Time (ET)

EST - Eastern Standard Time
EDT - Eastern Daylight Time when daylight saving time is being observed (from mid-March to early November)
 

Location

 

Major cities and communities served by area code 603

Hillsborough County
  • Manchester
  • Nashua
  • Milford
  • Weare
  • Hudson
  • New Boston
  • Goffstown
  • Peterborough
  • Hillsboro
  • Wilton
  • Greenville
Merrimack County
  • Concord
  • Franklin
  • Suncook
  • Boscawen
  • Andover
  • Henniker
  • Pittsfield
  • Danbury
Strafford County
  • Dover
  • Rochester
  • Somersworth
  • Milton
Rockingham County
  • Salem
  • Derry
  • Portsmouth
  • Hampton
  • Exeter
  • Plaistow
  • Kingston
  • Newmarket
  • Northwood
  • Raymond
  • Epping
  • Rye Beach
Cheshire County
  • Keene
  • Jaffrey
  • Winchester
  • Hinsdale
  • Troy
  • Marlborough
  • Walpole
Belknap County
  • Laconia
  • Tilton
  • Belmont
  • Alton
Grafton County
  • Lebanon
  • Hanover
  • Plymouth
  • Littleton
  • Bristol
  • Enfield
  • Ashland
  • Woodsville
  • Lisbon
  • Bethlehem
  • Warren
Sullivan County
  • Claremont
  • Newport
  • Charlestown
  • Plainfield
Coos County
  • Berlin
  • Lancaster
  • Gorham
  • Colebrook
  • Whitefield
  • Groveton
  • Pittsburg
  • Errol
  • North Stratford
  • Twin Mountain
Carroll County
  • Wolfeboro
  • North Conway
  • Conway
  • Sanbornville
  • Center Ossipee
 
 

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