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ZIP Code 03857

Newmarket, New Hampshire, United States

Standard ZIP Eastern Time (ET)
9,463
Population
290.1
Per sq mile
Rockingham
County

About ZIP Code 03857

ZIP code 03857 is assigned to Newmarket, Rockingham County, New Hampshire, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 9,463 with a density of 290.1 people per square mile.

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Location Details

ZIP Code03857
CityNewmarket
CountyRockingham County
StateNew Hampshire
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude43.0691
Longitude-70.9516
ZIP TypeStandard ZIP

Post Office

Address126 MAIN ST
CityNEWMARKET
StateNH

Nearby ZIP Codes in New Hampshire

03856
Newfields
03824
Durham
03885
Stratham
03861
Lee
03823
Madbury
03833
Exeter

Frequently Asked Questions

What city is ZIP code 03857 in?

ZIP code 03857 is in Newmarket, Rockingham County, New Hampshire, United States.

What county is ZIP code 03857 in?

ZIP code 03857 is in Rockingham County, New Hampshire.

What timezone is ZIP code 03857 in?

ZIP code 03857 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 03857?

The estimated population of ZIP code 03857 is 9,463 people with a density of 290.1 people per square mile.

What state is ZIP code 03857 in?

ZIP code 03857 is in New Hampshire (NH), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.