ZIP Code 06388 in West Mystic, CT

Data Last Updated: February 1, 2026
City:West Mystic, Connecticut
City Alias:Mystic
Planning Region:Southeastern Ct Planning Region
Timezone:Eastern (GMT -05:00)
Local Time:10:09:31 PM
Population:No Population Data
Area Codes:860 / 959
Classification:PO Box
Coordinates:41.3544, -71.9669
Quick Link:
https://www.zip-codes.com/zip-code/06388/zip-code-06388.asp

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In the United States, a county equivalent is a political or administrative subdivision of a state. It has a specific geographic area and some level of governmental authority. The term "county" is used in 47 states. Alaska, Louisiana, and Connecticut have functionally equivalent subdivisions called Boroughs, Parishes, and Planning Regions, respectively. They functionally act like counties by subdividing the state. Read More about Connecticut Planning Regions: Connecticut changes from Counties to Planning Regions, including a ZIP Code to Historical County Crosswalk file.

06388 - West Mystic, CT

ZIP Code 06388, West Mystic

Small Town Unique ZIP No Census Data
LocationSoutheastern Ct County, CT
Area0 sq mi Single Point
Delivery Points123 (40 businesses)
PO Boxes83
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 06355
Key Facts
  • This is a PO Box-only ZIP code with no residential street delivery within its boundaries
  • All 83 addresses are PO Boxes, serving both individuals and 40 business accounts
  • The ZIP code is geographically contained within the larger Mystic, CT area (06355)
  • W Mystic Ave is the only street name associated with this ZIP code
  • Mail delivery operates through a single rural carrier route serving the PO Box facility

Postal Services

The only street address in the ZIP code is W Mystic Ave, which hosts a single delivery record. All 83 mailing addresses are PO Boxes, split between 40 business accounts and individual customers. Delivery comes through one rural carrier route, with boxes assigned across 7 different ZIP+4 segments.

Street Name Patterns

Minimal Street Presence

With only one street record, this ZIP code functions primarily as a PO Box service facility rather than a geographic delivery area.

Business & Employment Statistics


ZIP Code 06388 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:118Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 06388 is located in Southeastern Ct Planning Region, Connecticut, within the Norwich-New London-Willimantic, CT Metropolitan Statistical Area (CBSA 35980) and Connecticut's 2nd Congressional District. This Metro area has a population of 279,025 people, about 0.00% of whom live in ZIP Code 06388. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Norwich-New London-Willimantic, CTSource: Census
CBSA Number:35980Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:279,025Source: Census
MSA:New London-Norwich, CT-RI MSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:02Source: USPS
Congressional Land Area:1987.68 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


06389 | | 06387

Schools in ZIP Code 06388


We could not locate which school district 06388 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Pine Point School 89 Barnes Rd
Stonington, CT 63782
District: Private SchoolNearby
Sacred Heart School 50 Sacred Heart Dr
Groton, CT 06340
District: Private SchoolNearby
St Michael School 63 Liberty St
Pawcatuck, CT 63791
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 06388


University Of Connecticut-Avery Point 1084 Shennecossett Rd
Groton, CT 06340-6097
Type: Post Secondary
Mitchell College 437 Pequot Avenue
New London, CT 06320
Type: Post Secondary
Porter And Chester Institute - New London 470 Bank Street
New London, CT 06320-5548
Type: Post Secondary
United States Coast Guard Academy 15 Mohegan Avenue
New London, CT 06320-4195
Type: Post Secondary
Connecticut College 270 Mohegan Avenue
New London, CT 06320-4196
Type: Post Secondary
Three Rivers Community College - Corrigan-Radgowski Correctional Center 982 Norwich-New London Turnpike
Uncasville, CT 06382-0638
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov