| 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 565 Hartnell St Unit 1978 Monterey CA 93942-7097 |
| Jan 1982 | Semaphore Corporation is founded in Santa Cruz county |
| 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 |
| Dec 1995 | semaphorecorp.com goes online |
| Oct 1996 | ZP4 ships bimonthly instead of quarterly |
| 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 |
| Feb 2000 | ZIPMOVE is included with ZP4 |
| Dec 2001 | We are the first vendor to certify for and ship DPV |
| Dec 2002 | RDI support is included with ZP4 version 49 |
| Jun 2003 | Free NCOALink software is offered |
| Aug 2003 | Semaphore Corporation moves to Santa Barbara county |
| Aug 2004 | Semaphore Corporation moves to San Luis Obispo county |
| Jun 2005 | LACSLink ships |
| Oct 2006 | ZP4 ships monthly instead of bimonthly |
| May 2007 | We are the first vendor to certify for DirectDPV |
| Oct 2008 | Four-state barcodes ship |
| Sep 2009 | Semaphore Corporation moves to Monterey county |
| Mar 2010 | 40x faster Geo format ships |
| May 2011 | SuiteLink grows from 16 million to 21 million records |
| Apr 2012 | ZP4net version 2 ships |
| Feb 2013 | RDI now included with DirectDPV |