PRODUCT UPDATE NOTICE

QUARTERLY DATAFILE UPDATE INFORMATION

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

RELEASE: SEPTEMBER 30, 1999

PREVIOUS UPDATE: JUNE 30, 1999

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.

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

DISCONTINUED ZIPS: 6

NEW ZIPS: 4

ZIP CHANGES: 20

NOTE: This release also contains changes to telephone area codes;

OR from 503 to 971 effective 07/11/99

NY from 212 to 646 effective 08/01/99 (Overlay)**

FL from 941 to 863 effective 09/20/99

WI from 414 to 262 effective 09/25/99

CA from 714 to 657 effective 10/07/99 (Overlay)**

CA from 408 to 669 effective 10/01/99 (Overlay)**

** Overlay means this city now has more then one area code

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 fax us at 815.838.9896.

Thank you for your interest in SOURCE SOFTWARE products.