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ZIP Code 20787 - Adelphi, MARYLAND

Detailed information about ZIP code 20787 located in Adelphi, Maryland. This postal code covers po box areas with a population of 398 residents.

About 20787 ZIP Code Area

The ZIP code 20787 is part of the USPS (United States Postal Service) system serving the Adelphi area. This code ensures efficient mail delivery and geographic organization within Maryland.

Código Postal MARYLAND city ADELPHI - zip code Estados Unidos USA
ZIP Code (Zip Code) - Representación de área del código postal de los correos de los Estados Unidos.

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Código Postal EEUU - MARYLAND - ADELPHI - 20787

ZIP Code 20787 - Adelphi, MARYLAND

Detailed information about ZIP code 20787 located in Adelphi, Maryland. This postal code covers po box areas with a population of 398 residents.

About 20787 ZIP Code Area

The ZIP code 20787 is part of the USPS (United States Postal Service) system serving the Adelphi area. This code ensures efficient mail delivery and geographic organization within Maryland.

City Name Zip Code Type Population
Adelphi, MD IMPROPER 20787 PO BOX 398
Hyattsville, MD PRIMARY 20787 PO BOX 398
Langley Park, MD ACCEPTABLE 20787 PO BOX 398
City Name Zip Code Type
Adelphi, MD IMPROPER 20787 PO BOX
Hyattsville, MD PRIMARY 20787 PO BOX
Langley Park, MD ACCEPTABLE 20787 PO BOX
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Definitions of Status

  • PRIMARY: Refers to the main name of the city, typically its official designation. Although the city might have an ACCEPTABLE alternative name, the primary name remains the official one.
  • ACCEPTABLE: Indicates a suitable alternative city name. Commonly abbreviated city names are often listed as unacceptable because abbreviations are not considered an acceptable city name format.
  • IMPROPER/NOT ACCEPTABLE: Denotes that an inappropriate city name was entered or received based on the provided information.
  • UNIQUE: Assigned to a business, government agency, or entity with a significant mail volume. This designation depends on the average daily volume of letter-sized mail received, the availability of ZIP code numbers in the postal area, and a cost-benefit analysis by the postal service.