IP telephony
Numbers starting with 3504
1 Singapore ip telephony number in this prefix appear on public websites.
About the 3504 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 3504 xxxx, internationally as +65 3504 xxxx, and as 8-digit 3504xxxx.
3504 numbers found on the web
+65 3504 0065
3504 0065 · 35040065 · IP telephony
Glass Funnel | LabPlus Singapore | LabPlus eStore on eloh.com.sg
1 web mention