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06340 ZIP Code

ZIP Code: 06340 Groton

Extra Details of ZIP Code 06340

ZIP Code 06340
Zip Code Type Standard
State Connecticut - CT
Official Zip Code Name Groton
Primary County New London
Area Code (s) 860
Racial Majority White 69.22%
Elevation Range 30 - 220 ft.

Data: State Statistics Office | Updated on: Jun 05, 2026

How to write a U.S. envelope?

The first step is to write the recipient address:
First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is also the recipient's name. When writing the recipient's name, pay attention to the title, and write the person's title and name in the middle of the envelope. On the second line, write the recipient's full address, including any associated apartment or suite numbers. The more detailed the better. The third line writes the recipient's city, state, and zip code, this information is the last line of the address.

The second step is to write the reply address:
The return address is three lines, the first line will be the sender's name. The second line writes the sender's detailed address, including the street address, please remember to write the house number. On the third line write your city, state abbr, and zip code.

Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

How to Read Zip Code

Population and Employment

population

30,486

Unemployment Rate
4.6%
Poverty Rate
10%
Non-Citizens
4.5%

Location of Zip Code 06340

On this map you can see exactly where postcodes are located within Germany.

Gender & Age Statistics

Gender

  • Male
    56%
  • Female
    44%

Age

  • <10 years
    12%
  • 10-17 years
    7%
  • 18-34 years
    39%
  • 35-64 years
    28%
  • 65+ years
    14%

06340 Demographics

Racial Diversity

  • White
    63%
  • African American
    7%
  • Hispanic
    16%
  • American Indian or Alaska native
    0%
  • Asian & Other race
    6%

Education Levels

  • Master's degree or above
    13%
  • Bachelor's degree
    19%
  • Some college or associate degree
    33%
  • High school diploma or vocational degree
    28%
  • Less than high school diploma
    7%

06340 Income

Median Household Income

$65,169

National $64,994

Household Income Brackets

  • <$30k
    17%
  • $30-$44k
    21%
  • $45-$84k
    23%
  • $85-$149k
    29%
  • $150k+
    11%

Median Individual Income

$31,809

National $32,197

Individual Income Brackets

  • <$20k
    22%
  • $20-$34k
    32%
  • $35-$74k
    23%
  • $75k+
    22%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Groton, CT. You can find these phone numbers in our phone book. With us, you can easily book a restaurant or hotel in your location. You can also find reputable real estate agents and insurance agents. Everything you need is easily accessible here!

Morrissey Construction
P.O. Box 1205, Glastonbury, 06033

Berkowitz Hanna Malpractice & Injury Lawyers
1177 Summer St 4th Floor, Stamford, 06905

Greenwich Hormone Replacement Therapy Center
1 Perryridge Rd, Greenwich, 06830

DOCS Urgent Care & Primary Care Fairfield
525 Tunxis Hill Cut Off, Fairfield, CT 06825, 06825

Masumi Headwear
Masumi Headwear, 5 River Road, Wilton, 06897

Hawley Lane Dental
475 Hawley Ln #9, Stratford, 06614

Willington Locksmith
70 Pinney Hill Rd, Willington, CT, Willingto, 06279

Schools Serving Groton

Pleasant Valley School
380 Pleasant Valley Rd. South Groton, CT 06340

Ella T. Grasso Southeastern
189 Fort Hill Rd. Groton, CT 06340

West Side Middle School
250 Brandegee Ave. Groton, CT 06340

Groton Heights School
244 Monument St. Groton, CT 06340

Charles Barnum School
68 Briar Hill Rd. Groton, CT 06340

Fitch Middle School
61 Fort Hill Rd. Groton, CT 06340

Library Groton

Groton Public Library
52 Newtown Road, Route 117 Groton, MA 01450

Groton Free Public
1304 Scott Hwy. Groton, VT 05046

Bill Memorial Library
240 Monument St. Groton, CT 06340

Wage Memorial Library
209 N Main Groton, SD 57445

Groton Public Library
52 Newtown Road, Route 117 Groton, CT 06340

Museum Groton

Submarine Force Library & Museum
Po Box 928 Groton, CT 06340-0928

U.s. Navy Submarine Force Museum
Po Box 571 Groton, CT 06349-5571

John Kelley Memorial Fund
58 Cottage Street Groton, CT 06340-3647

Avery Memorial Association
Po Box 7245 Groton, CT 06340-7245

Groton Historical Society
Po Box 89 Groton, VT 05046

Groton Historical Society
64 Pleasent Street Groton, CT 06340

Hospital Groton

University Groton

Connecticut Center For Massage Therapy-groton
1154 Poquonnock Rd Groton, CT 06340

University Of Connecticut-avery Point
1084 Shennecossett Rd Groton, CT 06340-6097