DPV False Positive Header File Layout

The USPS® has determined the required layout of the DPV false-positive header file, which is currently defined as a fixed-length file containing two or more 180-byte records. The first record must always be the header record, whose layout is shown below.

Table 1. DPV False-Positive Header Record Layout

Position

Length

Description

Format

1-40

40

Mailer's company name

Alphanumeric

41-98

58

Mailer's address line

Alphanumeric

99-126

28

Mailer's city name

Alphanumeric

127-128

2

Mailer's state abbreviation

Alphabetic

129-137

9

Mailer's 9-digit ZIP Code

Numeric

138-146

9

Total Records Processed

Numeric

147-155

9

Total Records DPV Matched

Numeric

156-164

9

Percent Match Rate to DSF

Numeric

165-173

9

Percent Match Rate to ZIP + 4®

Numeric

174-178

5

Number of ZIP Codes on file

Numeric

179-180

2

Number of False-Positives

Numeric

The trailer record contains information regarding the DPV false-positive match. There must be one trailer record added to the false-positive file for every DPV false-positive match. The layout is shown below.

Table 2. DPV False-Positive Trailer Record Layout

Position

Length

Description

Format

1-2

2

Street predirectional

Alphanumeric

3-30

28

Street name

Alphanumeric

31-34

4

Street suffix abbreviation

Alphanumeric

35-36

2

Street postdirectional

Alphanumeric

37-46

10

Address primary number

Alphanumeric

47-50

4

Address secondary abbreviation

Alphanumeric

51-58

8

Address secondary number

Numeric

59-63

5

Matched ZIP Code

Numeric

64-67

4

Matched ZIP + 4®

Numeric

68-180

113

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