21771-5541 Zip Code
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21771-5541 Zip Code is a 'Zip Code 5 Plus 4' zip code type in the state of Maryland, Mount Airy City. This Zip Code is assigned to a street address number or a street address range in Mount Airy, MD - US.
21771-5541 Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).
Remember you have 2 kinds of blocks: even or odd. In this case, this Zip Code is assigned to Even and Odd numbers in the corresponding block(s)
21771-5541 ZIP Code 5 Plus 4
The U.S. Postal Service introduced an expanded ZIP code system in Mount Airy named ZIP Code 5 Plus 4, often called "add-on codes" or "add ons" zip code. A ZIP Plus Four Code (ZIP+4) uses the basic Mount Airy Zip code (21771) plus four additional digits (5541) to identify a geographic segment within the five-digit delivery area, such as a the N Towne CT street block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Maryland.
The zip code 21771-5541, applies to residential houses, business, buildings, and every Mount Airy City properties with Even and Odd numeration buildings in this range:
200 - 212 N Towne CT, Mount Airy, Maryland - US