PRODUCT UPDATE NOTICE

QUARTERLY DATAFILE UPDATE INFORMATION

PRODUCT: ZIP SOURCE (GEOGRAPHIC DATA FILE (GDF))

RELEASE: June 30, 2006

PREVIOUS UPDATE: March 31, 2006

COMMENTS: ZIP SOURCE is provided as a fixed block sequential file. The external tape label will provide specific DCB information. Please utilize in-house utilities for installation.

Record count =64547

UPDATE SUMMARY: The following are estimates of the changes that occurred for this release.

DISCONTINUED ZIPS: 2

NEW ZIPS: 26

ZIP CHANGES: 9

Area Code Changes – GA new 762 overlays 706

CA new 424 overlays 310

MSA Changes -- incorporated per OMB Bulletin No. 06-01 Correction dated May 26,2006

Any change in contact names or addresses should be forwarded to our Shipping Department at the address shown below.

If you have any questions concerning this product, or this technical bulletin, please call our Product Support Representatives at (708)220-0158 or email jmiles@sourcesoft.com

Thank you for your interest in SOURCE SOFTWARE products.