Fixed line
Numbers starting with 6621
3 Singapore fixed line numbers in this prefix appear on public websites.
About the 6621 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 6621 xxxx, internationally as +65 6621 xxxx, and as 8-digit 6621xxxx.
6621 numbers found on the web
+65 6621 1550
6621 1550 · 66211550 · Fixed line
Cervosa S$Â 611. Serfaus Hotel Deals & Reviews - KAYAK on kayak.sg
1 web mention
+65 6621 8855
6621 8855 · 66218855 · Fixed line
Car Rentals at Lismore airport - KAYAK on kayak.sg
1 web mention
+65 6621 9022
6621 9022 · 66219022 · Fixed line
Car Hire in Lismore - Search for Rental Cars on KAYAK on kayak.sg
1 web mention