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Country or territory

Administrative level 0 (ADM0) P-code example

Administrative level 1 (ADM1) P-code example

Administrative level 2 (ADM2) P-code example

Administrative level 3 (ADM3) P-code example

Remarks

Indonesia

ID

ID94

ID9433

ID9433050

Haiti

HT

HT08

HT0811

HT 0811-07

dash is unusual but permitted

Burundi

BDI

BDI014

BDI014006

ADM3 unavailable

three-character ADM0 code is unusual but permitted

Lebanon

LB

LB6

LB63

62179

ADM3 P-code contravenes established principles on Country Office insistence

Azerbaijan

AZ

AZ91100002

ADM2 unavailable

ADM3 unavailable

ADM2 P-code echoes pre-existing ex-Soviet formulation

Ukraine

UA

UA46

UA46115

UA4611500000

Three digits are assigned to ADM2 even though the greatest number of ADM2 features in any ADM1 feature is only 50.

Country

Administrative level 1 (ADM1) P-code example

Administrative level 2 (ADM2) P-code example

Administrative level 3 (ADM3) P-code example

ID

HT

HT08

HT0811

HT0811-07

Country

Administrative level 2 (ADM2) P-code example

Indonesia

ID

ID94

  • P-code systems echo the administrative hierarchy such that codes at each administrative level incorporate the all higher administrative level codes, with the lower level codes appended to higher codes. The number of

  • Administrative level 1 to Administrative level x - Each administrative level receives a numeric code with enough leading zeros to ensure that the occasional addition of new administrative units will not exceed the number of codes available.  In the example below, two digits are adequate for administrative levels 1 - 3 (meaning that there are not expected to be more than 99 administration units in any one of these levels).  Level 4 can have as many as 999 administrative units.

  • Incremental Settlement Numbers (if required) - For simplicity of maintenance, it is best to use a single set of incremental numbers across the whole country (rather than within each administrative unit).  This has the additional advantage of allowing places to be referred to using only the settlement number without the admin unit codes, making them shorter. Enough digits should be used here to allow for the possibility of new datasets to be added.

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