IP telephony
Numbers starting with 3644
2 Singapore ip telephony numbers in this prefix appear on public websites.
About the 3644 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 3644 xxxx, internationally as +65 3644 xxxx, and as 8-digit 3644xxxx.
3644 numbers found on the web
+65 3644 0132
3644 0132 · 36440132 · IP telephony
Churches - Singapore Business Guide on sbg.sg
1 web mention
+65 3644 4316
3644 4316 · 36444316 · IP telephony
Milk&Honey Hostel. Tel Aviv Hotel Deals & Reviews - KAYAK on kayak.sg
1 web mention