Fixed line
Numbers starting with 6660
3 Singapore fixed line numbers in this prefix appear on public websites.
About the 6660 prefix
This looks like a Singapore fixed-line number. Reports often mention company switchboards, delivery callbacks, property agents, or unsolicited sales calls.
6-prefix numbers are commonly used for Singapore fixed-line services. Numbers in this list are written locally as 6660 xxxx, internationally as +65 6660 xxxx, and as 8-digit 6660xxxx.
6660 numbers found on the web
+65 6660 0304
6660 0304 · 66600304 · Fixed line
JEL Group of Companies - Jurong Engineering Limited on jel.com.sg
1 web mention
+65 6660 2626
6660 2626 · 66602626 · Fixed line
Lexis Hibiscus Port Dickson S$Â 184. Port Dickson Hotel Deals & Reviews - KAYAK on kayak.sg
1 web mention
+65 6660 7889
6660 7889 · 66607889 · Fixed line
NEU - NatSteel Employees' Union on ntuc.org.sg
2 web mentions