| Our mailing address (send your orders here) Semaphore Corporation PO Box 1920 Nipomo CA 93444-1920 | Our street address (not for submitting orders) Semaphore Corporation 897 Oak Park Blvd #303 Pismo Beach CA 93449-3287 |
| Jan 1982 | Semaphore Corporation is founded |
| Oct 1989 | Our postal software and USPS® databases ship |
| Aug 1991 | ZP4 version 7 is certified by the new USPS CASS™ department |
| Oct 1992 | Street spelling correction ships with ZP4 version 10 |
| Oct 1993 | PowerPC compatibility is confirmed for ZP4 version 12 |
| Apr 1994 | Address validation software for Windows ships |
| Jul 1994 | ZP4 for Windows and USPS AMS II databases ships |
| Jul 1995 | DUPDTECT ships |
| Apr 1996 | ZP4 is released for 32-bit Windows |
| Oct 1996 | ZP4 ships bimonthly instead of quarterly |
| Dec 1996 | Free Where did they move to? lookups begin |
| Jun 1997 | LACS, county, and Congress codes appear in the ZP4 database |
| May 1998 | The first and only free FASTforward® system is offered |
| Mar 1999 | FASTforward source code is released |
| Aug 1999 | NAMECHOP ships |
| Feb 2000 | ZIPMOVE is included with ZP4 |
| Dec 2001 | We are the first vendor to certify for and ship DPV™ |
| Jun 2002 | EWS support is included with ZP4 version 46 |
| Dec 2002 | RDI™ support is included with ZP4 version 49 |
| Jun 2003 | Free NCOALink® software is offered |
| Dec 2004 | ZP4 and DPV ship together on one DVD-ROM for $99 |
| Jun 2005 | LACSLink™ ships |
| Oct 2005 | ADOsort ships |
| Aug 2006 | eLOT™ data ships |
| Sep 2006 | Gender ships |
| Oct 2006 | ZP4 ships monthly instead of bimonthly |
| Nov 2006 | Geo ships |
| Jan 2007 | DirectDPV™ tools ship |
| Apr 2007 | ZP4 version 70 is certified for eLOT and SuiteLink™ |
| May 2007 | We are the first vendor to certify for DirectDPV |
| Jun 2007 | DirectDPV and SuiteLink ship |
| Aug 2007 | USPS requires both DPV + LACSLink for CASS |
| Sep 2007 | Geo uses delivery point accuracy |
| Oct 2007 | Carrier route delivery counts are included with DirectDPV |
| Nov 2007 | Vacancy indicators are added to DPV |
| Jan 2008 | Reverse lookups are added to Geo |