| Our mailing address (send your orders here) Semaphore Corporation PO Box 1978 Monterey CA 93942-1978 | Our street address (not for submitting orders) Semaphore Corporation 484 Washington St Ste B PMB 344 Monterey CA 93940-3052 |
| 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 |
| Dec 1995 | semaphorecorp.com goes online |
| 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 |
| Mar 2008 | New USPS presort rates and forms ship |
| May 2008 | The "find city for county address" tool ships |
| Aug 2008 | All Geo lookups integrated into a single database |
| Oct 2008 | Four-state barcodes ship |
| Dec 2008 | Uncompressed eLOT data ships |
| Jan 2009 | RDI "guess" database ships |
| Feb 2009 | ZIP + 4 transaction files ship |
| Mar 2009 | GEODUMP export utility ships |
| Apr 2009 | Urbanization added to presort |
| Aug 2009 | ZP4 version 86 is certified |
| Dec 2009 | Free-form address parser source code ships |
| Feb 2010 | Integrated Z4INFO lookups are included |
| Mar 2010 | 40x faster Geo format ships |
| Apr 2010 | NAMECHOP is now customizeable |