Belknap County, New Hampshire

Belknap County, New Hampshire, has 16 towns and 18 ZIP codes, in area code 603.

Towns in Belknap County, A to Z

Town	ZIP codes	Area codes
Alton	03809	603
Alton Bay	03810	603
Barnstead	03218	603
Belmont	03220	603
Center Barnstead	03225	603
Center Harbor	03226	603
Gilford	03249	603
Gilmanton	03237	603
Gilmanton Iron Works	03837	603
Laconia	03246, 03247	603
Lochmere	03252	603
Meredith	03253	603
New Hampton	03256	603
Sanbornton	03269	603
Tilton	03276, 03298, 03299	603
Winnisquam	03289	603

ZIP codes in Belknap County

03218Barnstead603
03220Belmont603
03225Center Barnstead603
03226Center Harbor603
03237Gilmanton603
03246Laconia603
03247Laconia603
03249Gilford603
03252Lochmere603
03253Meredith603
03256New Hampton603
03269Sanbornton603
03289Winnisquam603
03298Tilton603
03299Tilton603
03809Alton603
03810Alton Bay603
03837Gilmanton Iron Works603

Area code in Belknap 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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