411 (US)
Abc telefonos
Addresses (US)
AnyWho (US)
Australia Lookup
Blacklist Checker
Bmobile.in
British Phone Book
BT Phone Book
CallerID Service
CallerID Test
CallerSmart
Carrier Lookup
Carrier Lookup Service
CellRevealer
CountryCode
Custom Telephone Search
FastPeopleSearch (US)
Fone Finder
Free Carrier Lookup (US)
golookup
IMEI24
International Numbering Plans
International White and Yellow
Pages
Ivycall
John Doe (US)
Keecall (US)
Leaked Source
MailTester
MrNumber (US)
nextcaller
Number Guru
NumberVille
numberway
numpi
NumSpy
peoplebyname
People Call
Peoplefinders (US)
People Looker (US)
PeopleSmart (US)
Phone Book of the World
phoneowner
PhoneSearchFree (US)
Phone Tools
PhoneValidator
Open Cnam
Reverse Genie (US)
SearchYellowDirectory
Snusbase
Social catfish: Reverse Phone
Lookup
Speedy Hunt
Spy Dialer (US)
Spy on Caller
Spytox (US)
Sync.me
Telefonbuch
TextMagic Free Carrier Lookup
That’s Them: Reverse Phone
Lookup
Truecaller
TruePeopleSearch (US)
Twilio
USPhoneBook
USSEARCH (US)
Whocalld
Vigilante
Zonzoo
Satellite phone stuff
https://www.sat-gps-tracker.com
http://www.dumb.com/celltracker/index1.php