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032  Postal Registration Number (R)

Record Type


Input Standards

1st Indicator  Undefined
blank character Undefined
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
ǂa Postal registration number (NR) Mandatory/Mandatory
ǂb Source agency assigning the number (NR) Mandatory/Mandatory
ǂ6 Linkage (NR) System supplied/System supplied
ǂ8 Field link and sequence number (R) Optional/Optional


Contains postal service registration numbers. Some countries require postal service registration numbers for certain mailing class privileges. In the United States, the U.S. Postal Service assigns U.S. Postal Service (USPS) publication numbers to second-class and controlled-circulation material.

In Canada, Canada Post (CP) assigns the Second Class Mail Registration Number.

The National Serials Data Program uses field 032 to record USPS numbers of publications for which NSDP has reported ISSNs to the Postal Service.

1st Indicator


blank character


ined. The 1st indicator position is undefined and contains a blank ( blank character ).

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank ( blank character ).

blank character



ǂa Postal registration number

Enter USPS numbers as six digits. Enter leading 0's to fill all six positions. Do not enter hyphens. Canada Post (CP) Second Class Mail Registration numbers are recorded as four digits.

032     003752
032     9545
ǂb Source agency assigning the number

The source of the number in subfield ǂa. For numbers assigned by Canada Post, the name of the source is given as CP.

032     003752 ǂb USPS
032     9545 ǂb CP
ǂ6 Linkage

Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields.

ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.


Field 032 is not indexed.

This page last revised: October 13, 2017