IP telephony
Numbers starting with 3891
2 Singapore ip telephony numbers in this prefix appear on public websites.
About the 3891 prefix
This number uses Singapore's 3-prefix IP telephony range. Community comments often help clarify whether it belongs to a business line, VoIP service, or a suspicious caller.
3-prefix numbers are typically used for IP telephony services in Singapore. Numbers in this list are written locally as 3891 xxxx, internationally as +65 3891 xxxx, and as 8-digit 3891xxxx.
3891 numbers found on the web
+65 3891 0455
3891 0455 · 38910455 · IP telephony
M-A-S-Hotel S$Â 119. Stuttgart Hotel Deals & Reviews - KAYAK on kayak.sg
1 web mention
+65 3891 8888
3891 8888 · 38918888 · IP telephony
The 7 best luxury hotels in Hong Kong on vogue.sg
1 web mention