Fixed line
Numbers starting with 6639
4 Singapore fixed line numbers in this prefix appear on public websites.
About the 6639 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 6639 xxxx, internationally as +65 6639 xxxx, and as 8-digit 6639xxxx.
6639 numbers found on the web
+65 6639 1839
6639 1839 · 66391839 · Fixed line
IT Support & Managed IT Services Singapore | Apixel IT Support on apixel.com.sg
2 web mentions
+65 6639 6639
6639 6639 · 66396639 · Fixed line
You Won't Believe These 4 Benefits Of Carpets | EPOS POS System on epos.com.sg
1 web mention
+65 6639 9999
6639 9999 · 66399999 · Fixed line
Intercontinental Hotels Marine Drive-Mumbai By IHG S$Â 191. Mumbai Hotel Deals & Reviews - KAYAK on kayak.sg
1 web mention