How to contact Semaphore Corporation

Email help@semaphorecorp.com
Phone (831) 372-8283 (8AM to 5PM Pacific time, Monday through Friday)
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

Home page | Our product | Freebies
We provide or enhance...
Address correction
Address parsing
Address scrubbing
Address standardization
Address validation
Barcodes
Barcoding
Carrier routes
CASS™ certification
CASS software
Census blocks and tracts
DPV®
Delivery point validation
Delivery point verification
DirectDPV™
Duplicate detection
eLOT®
Enhanced line of travel
FASTforward®
File management
Forwarding addresses
Gender marking
Geocoding
LACSLink®
Latitudes and longitudes
Mail drop detection
Mailing labels
Merge/purge
Name parsing
NCOALink®
PAVE™ software
Postal bulk mail
Postal presort
Postal Service™ data
RDI™
Record linking
Residence vs. business
Residential delivery index
SuiteLink
Vacancy detection
ZIP® codes
ZIP + 4® codes

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
(Ask for a copy of our "history" document to get a more detailed product chronology.)
Semaphore Corporation is a non-exclusive licensee of the United States Postal Service®. The prices of Semaphore Corporation products are not established, controlled or approved by the Postal Service. The following trademarks are owned by the United States Postal Service: CASS, DirectDPV, DPV, eLOT, FASTforward, LACSLink, NCOALink, PAVE, RDI, SuiteLink, ZIP, ZIP + 4, Postal Service, USPS, and United States Postal Service. [DA#4.07]