Fixed line
Numbers starting with 6645
7 Singapore fixed line numbers in this prefix appear on public websites.
About the 6645 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 6645 xxxx, internationally as +65 6645 xxxx, and as 8-digit 6645xxxx.
6645 numbers found on the web
+65 6645 0740
6645 0740 · 66450740 · Fixed line
BBTK Preschool – Learning with Joy, Growing with Love on bbtk.com.sg
1 web mention
+65 6645 2911
6645 2911 · 66452911 · Fixed line
Members – Cement and Concrete Association of Singapore on cncas.org.sg
1 web mention
+65 6645 3020
6645 3020 · 66453020 · Fixed line
Lobang: I’m Back At This Award-winning Hair Care Salon For Another Customised Treatment For My Hair Woes | Lobang Guru Singapore on lobang.guru.sg
1 web mention
+65 6645 3131
6645 3131 · 66453131 · Fixed line
Porcelain Hotel by JL Asia S$Â 137. Singapore Hotel Deals & Reviews - KAYAK on kayak.sg
1 web mention
+65 6645 9330
6645 9330 · 66459330 · Fixed line
Your Ultimate Guide to Mother’s Day 2025 - Must Share Good Things on msgt.com.sg
2 web mentions