United States ZIP Code: 20857

This is the Maryland ZIP Code 20857 page list. Its detail State, County, City/Agency, Longitude, Latitude, Envelope Example, Population is as below.

Modern illustration of ZIP code 20857 in HHS, Montgomery, Maryland, highlighting the Chesapeake & Ohio Canal, Maryland state symbols, and vintage postal elements.

ZIP Code 20857 Information ZIP Code 20857 Information

  • Country:

    U.S. - United States

    State FIPS:

    24

    Area Code:

    301 / 240

    ZIP Code:

    20857

    ZIP Type:

    U (Unique)

    ❓What does U (Unique) mean? Companies, organizations, and institutions that receive large quantities of mail are given a "unique" ZIP Code type.

ZIP Code 20857 - City/Agency ZIP Code - City

This is the city information corresponding to 20857:

State County City/AgencyCity Type ?In many cases, a ZIP Code can have multiple "names", meaning cities, towns, or subdivisions, in its boundaries. However, it will ALWAYS have exactly 1 "default" name. D - Default - This is the "preferred" name - by the USPS - for a city. Each ZIP Code has one - and only one - "default" name. In most cases, this is what people who live in that area call the city as well. A - Acceptable - This name can be used for mailing purposes. Often times alternative names are large neighborhoods or sections of the city/town. In some cases a ZIP Code may have several "acceptable" names which is used to group towns under one ZIP Code. N - Not Acceptable - A "not acceptable" name is, in many cases, a nickname that residents give that location. According to the USPS, you should NOT send mail to that ZIP Code using the "not acceptable" name when mailing.ZIP Code
MDMontgomeryHhsN (Not Acceptable)20857
MDMontgomeryRockvilleD (Default)20857

❓What does D (Default) mean? This is the "preferred" name - by the USPS - for a city. Each ZIP Code has one - and only one - "default" name. In most cases, this is what people who live in that area call the city as well.

❓What does N (Not Acceptable) mean? A "not acceptable" name is, in many cases, a nickname that residents give that location. According to the USPS, you should NOT send mail to that ZIP Code using the "not acceptable" name when mailing.

ZIP Code 20857 Plus 4 ZIP Code 20857 Plus 4

ZIP Code 5 plus 4 is the extension of 5-digit zip code, It can be used to locate a more detailed location. The last four digits designate segment or one side of a street or an apartment. You can find the ZIP+4 code and corresponding address of the zip code 20857 below.

ZIP Code 5 Plus 4Address
20857-00015630 FISHERS LN, ROCKVILLE, MD
20857-00025600 FISHERS LN, ROCKVILLE, MD
20857-00035630 FISHERS LN, ROCKVILLE, MD
20857-00047700 WISCONSIN AVE, ROCKVILLE, MD
20857-00057700 WISCONSIN AVE, ROCKVILLE, MD

More ZIP+4 Codes of ZIP Code 20857

Envelope Example Envelope Example

This is an example of a US zip envelope. You can use a 5-digit zipcode or a detailed 9-digit zipcode to copy the mail in the following address format.

ZIP Code: 20857

20857 Basic Meaning Basic Meaning

What does each digit of ZIP Code 20857 stands for? The first digit designates a national area, which ranges from zero for the Northeast to nine for the far West. The 2-3 digits are the code of a sectional center facility in that region. The last two digits designate small post offices or postal zones.

ZIP Code: 20857

Online Map Online Map

This is online map of the address Rockville, Maryland, United States. You may use button to move and zoom in / out. The map information is for reference only.

Geographic Geographic

The latitude of the Zip code 20857 is 39.083900, the longitude is -77.153400, and the elevation is 455. It has land area of 0 square miles, and water area of 0 square miles. The time zone for ZIP code 20857 is Eastern (GMT -05:00). Daylight saving time should be observed in the area where the zip code is located.

  • Latitude: 39.083900
  • Longitude: -77.153400
  • Elevation: 455
  • Land Area: 0
  • Water Area: 0
  • Time Zone: Eastern (GMT -05:00)
  • Region: South
  • Division: South Atlantic
  • Day Light Saving: Y

Congressional District Congressional District

The Congressional District for ZIP code 20857 is Maryland's 08th congressional district, the Congressional Land Area is 859.85 square mile.

  • Congressional District: 08th
  • Congressional Land Area: 859.85

Delivery Delivery

In the ZIP code 20857, there are 0 residential delivery mailboxes and centralized units, and 2 commercial delivery mailbox and centralized units, 0 single family deliveries and 0 multifamily deliveries, and the box count is 1,047. The main post office does not have city delivery carrier routes for the ZIP code 20857.

  • Delivery Residential: 0
  • Delivery Business: 2
  • Delivery Total: 1,047
  • Single Family Delivery Units: 0
  • Multi Family Delivery Units: 0
  • City Delivery Indicator: N

Business Business

In ZIP code 20857, the number of business is 6, the number of employee is 18, the business first quarter payroll is 254,000 USD, the business annual payroll is 1,086,000 USD.

  • Number Of Businesses: 6
  • Number Of Employees: 18
  • Business First Quarter Payroll: 254,000
  • Business Annual Payroll: 1,086,000
Hhs ZIP Code, Rockville ZIP Code, Maryland ZIP Code, 20857 ZIP Code, United States

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