Loudon, NH ZIP Codes, Coordinates & Counties
Loudon, New Hampshire has 1 ZIP code in Merrimack county. The approximate center of Loudon is 43.325, -71.444. Loudon has about 15,179 known street addresses.
ZIP codes in Loudon, NH
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 03307 | Merrimack | 43.325 | -71.444 |
Counties Loudon spans
Merrimack
Most common streets in Loudon
Village, School, Pleasant, Redwood, Oak Hill, Shaker, 129, Greenview, 106, Beck
Frequently asked questions
What ZIP codes are in Loudon, NH?
Loudon, New Hampshire has 1 ZIP code, ranging from 03307 to 03307. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Loudon, NH in?
Loudon is in Merrimack county.
What are the latitude and longitude of Loudon, NH?
The approximate center of Loudon, New Hampshire is latitude 43.325, longitude -71.444. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Loudon, NH have?
Loudon has 1 ZIP code.
How many addresses are in Loudon, NH?
Loudon, New Hampshire has about 15,179 known street addresses in the sthan.io US address database.
What are the most common streets in Loudon, NH?
Some of the most common street names in Loudon are Village, School, Pleasant, Redwood, Oak Hill, Shaker.
What cities are near Loudon, NH?
Cities near Loudon include Chichester (5 mi), Canterbury (6 mi), Pittsfield (7 mi), Barnstead (8 mi), Gilmanton (8 mi).
Cities near Loudon
Chichester, NH (5 mi) Canterbury, NH (6 mi) Pittsfield, NH (7 mi) Barnstead, NH (8 mi) Gilmanton, NH (8 mi) Concord, NH (9 mi) Epsom, NH (9 mi) Gilmanton Iron Works, NH (9 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database