Address: 1700 (From 1700 To 1798) COUNTY ROAD 451, EL CAMPO, TX 77437-66ND, USA

• ZIP Code 5 Plus 4:

  77437-66ND

• ZIP Code 5:

  77437
• Plus 4?

  4-digits that are used to identify a geographic segment within the 5-digit delivery area, such as a city block or a group of apartments or 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. This code is the low end of the range of +4 Codes that pertain to this ZIP Code. ZIP+4 Codes associated with nondelivery areas are composed of valid ZIP sector numbers and "ND" for the ZIP segment number, for example 12345-12ND. Non-deliverable areas are areas to which the USPS does not deliver mail, such as vacant lots and land that borders railroad tracks. Mailers should not match an address identified as a nondelivery area. If you absolutely must have numeric characters in the Plus4Code column, you may treat "ND" values as "00" (zero zero).

  :
  66ND

• Country:

  U.S. - United States

• State:

  TX - Texas

• County:

  CountyFIPS: 48481 - Wharton County

77437-66ND corresponds to the following addresses.

Please click the "More Address Examples" to view the whole list.

• ·Carrier Route ID?
  A 4-digit code assigned to a mail delivery or collection route within a 5-digit ZIP Code. The first character of this identification is alphabetical, and the last three are numeric: Bnnn = PO box Hnnn = Highway contract Rnnn = Rural route Cnnn = City delivery Gnnn = General delivery
  : R004 (Rural route)
• ·ZIP Add-On Low Sector?
  The ZIP Add-On Low Sector and the ZIP Add-On Low Segment together form the ZIP Add-On Low Number. The ZIP Add-On Low Number is the last four positions of a ZIP+4 code; the low-end ZIP add-on in a range of codes; the add-on of the first ZIP+4 code in a consecutive series of ZIP+4 codes assigned to the delivery address. For example, most delivery addresses are assigned a single ZIP+4 code. However, large companies may be given a range of ZIP+4 codes that can be used to route mail to specific departments. A range of ZIP+4 codes can also be assigned to a corresponding range of post office boxes, and each box is mapped, one-to-one, with a ZIP+4 code in the range. A single post office box can also be assigned a range of ZIP+4 codes.
  : 66
• ·ZIP Add-On Low Segment?
  The ZIP Add-On Low Sector and the ZIP Add-On Low Segment together form the ZIP Add-On Low Number. The ZIP Add-On Low Number is the last four positions of a ZIP+4 code; the low-end ZIP add-on in a range of codes; the add-on of the first ZIP+4 code in a consecutive series of ZIP+4 codes assigned to the delivery address. For example, most delivery addresses are assigned a single ZIP+4 code. However, large companies may be given a range of ZIP+4 codes that can be used to route mail to specific departments. A range of ZIP+4 codes can also be assigned to a corresponding range of post office boxes, and each box is mapped, one-to-one, with a ZIP+4 code in the range. A single post office box can also be assigned a range of ZIP+4 codes.
  : ND (Non-deliverable)
• ·ZIP Add-On High Sector?
  The ZIP Add-On High Sector and the ZIP Add-On High Segment together form the ZIP Add-On High Number, which is the high-end ZIP add-on in a range of codes; the add-on of the last ZIP+4 code in a consecutive series of ZIP+4 codes assigned to the delivery address. Most delivery addresses are assigned a single ZIP+4 code; however, large companies may be given a range of ZIP+4 codes that can be used to route mail to specific departments. A range of ZIP+4 codes can also be assigned to a corresponding range of post office boxes, and each box is mapped, one-to-one, with a ZIP+4 code in the range. A single post office box can also be assigned a range of ZIP+4 codes. (See also ZIP Add-On Code.)
  : 66
• ·ZIP Add-On High Segment?
  The ZIP Add-On High Sector and the ZIP Add-On High Segment together form the ZIP Add-On High Number, which is the high-end ZIP add-on in a range of codes; the add-on of the last ZIP+4 code in a consecutive series of ZIP+4 codes assigned to the delivery address. Most delivery addresses are assigned a single ZIP+4 code; however, large companies may be given a range of ZIP+4 codes that can be used to route mail to specific departments. A range of ZIP+4 codes can also be assigned to a corresponding range of post office boxes, and each box is mapped, one-to-one, with a ZIP+4 code in the range. A single post office box can also be assigned a range of ZIP+4 codes. (See also ZIP Add-On Code.)
  : ND (Non-deliverable)
• ·ZIP Code Add On: 66ND (6600)
• ·Range?
  The range of +4 codes. Summing the +4 Code and the +4 Range will give you the high end of the range of +4 Codes that pertain to this ZIP Code.
  : 0
• ·Base Alternate Code?
  Code that specifies whether a record is a base (preferred) or alternate record. Base records (represented as "B") can represent a range of addresses or an individual address, such as a firm record, while alternate records (represented as "A") are individual delivery points. Government deliveries will only be listed on alternate records with the appropriate government building indicator (federal, state, or city) set.
  : Base
• ·Finance Number?
  A code assigned to Postal Service facilities (primarily post offices) to collect cost and statistical data and compile revenue and expense data. The state number comprises the first two positions of the finance number.
  : 482780
• ·Congressional District Number?
  A standard value identifying a geographic area within the United States served by a member of the US House of Representatives or Senate. If Army/Air Force (APO) or fleet post office (FPO), this column will be blank. If there is only one member of Congress within a state, the code will be "AL" (at large).
  : 27
• ·Preferred Last Line City State Key?
  An index to the City State file that provides the preferred last-line name for this address range.
  : W23614

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