Allowed Characters in PAF

Allowed Characters in PAF

List of Characters Found in the Postcode Address File

PAF uses standard ASCII characters. This guide outlines which characters are used. In particular, which special characters may be used under certain conditions.

Characters

A-Z

Alpha characters –Upper & Lower Case

ALL

Allowed as part of a text string or as single characters.

&

Ampersand

ALL

Allowed in any position in the Organisation, Department and DP Alias Fields. But restricted to certain positions in Sub Building & Building Name fields to replace the word ‘AND’.

'

Apostrophe

ALL

Can only be used between alpha characters to define names such as O’Neill or plurals such as James’s.

*

Asterisk

ORGANISATION, DEPARTMENT, DP ALIAS FIELDS ONLY

not allowed at the end of entries as this may cause problems with wildcard searches of data.

( )

Brackets

ALL

Must always be a pair and must be preceded / followed by a space.

,

Comma

NONE

can be misread in data extract and CSV files and so is not allowed.

.

Full Stop

ALL

The use of the full stop is restricted in Sub Building, Building Name and DP Alias fields. Can only be used to abbreviate Saint to St. and should always be followed by a space. It can also have limited use in the Organisation field.

#

Hash

ORGANISATION FIELD ONLY
-

Hyphen

ALL

The use of the hyphen is restricted in Sub Building & Building Name fields. Also must be part of a building number range or a double barrelled name and must not be preceded or followed by spaces.

0-9

Numerics

ALL

Allowed as part of a text string or as single characters. Although a single zero is allowed in either the Building Name OR Sub Building Name fields, it is not allowed in both simultaneously.

' '

Quotation marks - single

NONE

can be misread in data extract and CSV files and so is not allowed (except for apostrophe entries).

" "

Quotation marks - double

NONE

can be misread in data extract and CSV files and so is not allowed.

All Other standard ASCII Characters

ORGANISATION, DP ALIAS FIELDS ONLY

All other characters are allowed to form a company name in the Organisation Name field or the DP Alias field only.

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