United States

Lower Connecticut River Valley Postal Codes

Complete directory of postal codes in this county

Location Information

26 counties

Counties

Lower Connecticut River Valley

Languages

  • English (United States)
  • Spanish (United States)

Coordinates

41.351690, -72.420560

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Country

United States

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Counties

Showing 26 results
Place Name
Postal Code
Centerbrook
6409
Chester
6412
Clinton
6413
Cobalt
6414
Cromwell
6416
Deep River
6417
Durham
6422
East Haddam
6423
East Hampton
6424
Essex
6426
Haddam
6438
Hadlyme
6439
Higganum
6441
Ivoryton
6442
Killingworth
6419
Middle Haddam
6456
Middlefield
6455
Middletown
6457
Middletown
6459
Moodus
6469
Old Lyme
6371
Old Saybrook
6475
Portland
6480
Rockfall
6481
South Lyme
6376
Westbrook
6498

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How to Find a Postal Code

Each administrative division maintains its own postal code for mail delivery purposes. Here are some tips for finding the correct postal code:

  • Search for your specific address using our search tool above
  • Browse through the list of counties in the region
  • Use the interactive map to locate your area
  • Contact your local post office for verification

Postal Code Tips

Postal codes may change occasionally. Always verify with official sources before important mailings.

Quick Facts

  • Country Code: US
  • Capital: Washington
  • Currency: Dollar (USD)
  • Phone Code: +1
  • Timezone: America/Adak (GMT-10)
  • Driving Side: Right
  • Voltage/Frequency: 120V (60Hz)
  • Plug Types:
    A - Type A plug B - Type B plug

Neighboring Countries

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