Coos County, New Hampshire

Coos County, New Hampshire, has 16 towns and 16 ZIP codes, in area code 603.

Towns in Coos County, A to Z

Town	ZIP codes	Area codes
Berlin	03570	603
Bretton Woods	03575	603
Colebrook	03576	603
Errol	03579	603
Gorham	03581	603
Groveton	03582	603
Jefferson	03583	603
Lancaster	03584	603
Milan	03588	603
Mount Washington	03589	603
North Stratford	03590	603
Pittsburg	03592	603
Randolph	03593	603
Twin Mountain	03595	603
West Stewartstown	03597	603
Whitefield	03598	603

ZIP codes in Coos County

03570Berlin603
03575Bretton Woods603
03576Colebrook603
03579Errol603
03581Gorham603
03582Groveton603
03583Jefferson603
03584Lancaster603
03588Milan603
03589Mount Washington603
03590North Stratford603
03592Pittsburg603
03593Randolph603
03595Twin Mountain603
03597West Stewartstown603
03598Whitefield603

Area code in Coos County

Area code 603
In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Local numbers in area code 603

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