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Geography Change: Guernsey, Isle of Man, Jersey
Tuesday, 07 Apr 2009 14:00 ET
By Jean-Marc Rollet
April 2009 -- In compliance with the ISO 3166-1 standard, the DataBuffet.com geo codes have been changed for Guernsey, the Isle of Man, and Jersey (now IGGY, IIMN, and IJEY).

The geography codes for Guernsey, the Isle of Man, and Jersey have changed as follows.  The blue codes are deprecated; the red codes are now active.

Geo Code   Description
IXZG IGGY Guernsey
IXZI IIMN Isle of Man

The ISO newsletter announcing this change can be read at ( http://www.iso.org/iso/newsletter_v-11_jersey_guernsey_isle_of_man.pdf ).

Which datasets were affected?

Moody's Economy.com does not provide specific coverage of these three countries, but they are found in datasets with international scope: 

  • Bank for International Settlements
  • U.S. Census Bureau - International DataBase
  • U.S. Treasury - Treasury International Capital
  • World Bank - World Development Indicators

What is ISO 3166-1?

To facilitate interchange of data between organizations worldwide, the International Organization for Standardization declares and maintains uniform code-sets for numerous purposes.  For countries, the standard "ISO 3166-1" defines names and two- and three-letter alphanumeric codes.

How do ISO 3166-1 codes and DataBuffet.com geo codes relate?

When a three-letter ISO 3166-1 code exists, Moody's Economy.com will derive a DataBuffet.com geo code by prefacing it with the letter "I."  Hence, the ISO 3166-1 code "JEY" becomes "IJEY."

When an alphabetic code has not been assigned, we use a temporary code based on the ISO "reserved" codes, which begin with "XZ."  Hence, the provisional ISO code "XZJ" became "IXZJ."

For supranational aggregates, which ISO 3166-1 does not address, we create our own four-letter codes.  For example, "IAFRC" or "IOECD" identifies the countries of Africa or the members of the OECD, respectively.  These aggregate codes are subject to change as new countries emerge and organizational memberships change.

These "I-type" geo codes apply only to the Moody's Economy.com international databases.  In these, the United States is identified as "IUSA."  In the U.S.-specific databases, however, we use the geo code "US."