78503-7734 Zip Code
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78503-7734 Zip Code is a 'Zip Code 5 Plus 4' zip code type in the state of Texas, Mcallen City. This Zip Code is assigned to a street address number or a street address range in Mcallen, TX - US.
78503-7734 Area Code is 956 and Time Zone is Central (GMT -06:00).
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)
78503-7734 ZIP Code 5 Plus 4
The U.S. Postal Service introduced an expanded ZIP code system in Mcallen 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 Mcallen Zip code (78503) plus four additional digits (7734) to identify a geographic segment within the five-digit delivery area, such as a the Francisca AVE 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 Texas.
The zip code 78503-7734, applies to residential houses, business, buildings, and every Mcallen City properties with Even and Odd numeration buildings in this range:
3000 - 3098 Francisca AVE, Mcallen, Texas - US