Summary

Singapore toll-free number prefix list

This is not a single phone number detail page. It lists active toll-free prefixes in Singapore so users can open a prefix page, search a number or leave a comment.

This overview connects Singapore toll-free prefixes to the existing prefix detail pages. Only active ranges for the selected country are listed.

Number type: toll-free Total prefixes: 2,000 Last update: 2026-07-24
Country Singapore Singapore Country code: +65
Number type toll-free Prefix
Total prefixes 2,000 Pages 2 / 20
Number format +65 8123 4567 #### ####
Start number / End number 18000000 18000009
Phone prefix quality guide

How to use this list

This page groups active phone prefixes by country and line type. It helps users understand the expected number format before opening a specific prefix or checking a complete number.

Choose a prefix from the list, then complete the remaining digits on the prefix detail page to search, report or review a full phone number.

National example +65 8123 4567 #### ####
Line type toll-free Singapore
Active prefixes 2,000 Pages 2 / 20
Sample range 18000000 18000009
Safety note

A line type or prefix does not prove whether a call is safe. If a caller asks for money, passwords, card data or urgent verification, check the complete number and community reports first.

Prefix list FAQ

What does this list show?

It shows active prefixes for the selected country and line type, with example ranges and links to prefix detail pages.

Why are some prefixes less detailed?

Some ranges have no community comments yet. Technical prefix, type and format information still help users check a full number correctly.

How do I check a full number?

Open a prefix detail page or use the site search, then enter the complete phone number for comments, complaints and risk signals.

Phone safety center

More phone intelligence for this country

Continue with country-level data for Singapore: reports, spam trends, search activity and prefix statistics.

Popular Most searched numbers in Singapore See which phone numbers are being checked most often and open their detail pages. Reports Most reported phone numbers in Singapore Review numbers with the highest complaint activity and risk signals. Alerts Spam call alerts in Singapore Track fast-rising complaint and comment activity from the last days. Prefixes Top phone prefixes in Singapore Discover active phone prefixes and connect to their range pages. Statistics Phone directory statistics in Singapore Open the country dashboard with total ranges, comments, complaints and searches. Lookup Phone number lookup in Singapore Search a complete number to review comments, complaints and spam signals. Who called me Unknown caller lookup in Singapore Use this path when an unknown number contacted you. Validator Phone validator in Singapore Check whether the format and expected length match the country. Complaints Phone complaints in Singapore Read structured community complaint cases for this country. Premium report Premium number analysis in Singapore Run a deeper technical and risk report for a complete phone number.

Singapore toll-free number prefix list

Total prefixes: 2,000
Pages 2 / 20
1800100 18001000 18001009 toll-free Open prefix 1800101 18001010 18001019 toll-free Open prefix 1800102 18001020 18001029 toll-free Open prefix 1800103 18001030 18001039 toll-free Open prefix 1800104 18001040 18001049 toll-free Open prefix 1800105 18001050 18001059 toll-free Open prefix 1800106 18001060 18001069 toll-free Open prefix 1800107 18001070 18001079 toll-free Open prefix 1800108 18001080 18001089 toll-free Open prefix 1800109 18001090 18001099 toll-free Open prefix 1800110 18001100 18001109 toll-free Open prefix 1800111 18001110 18001119 toll-free Open prefix 1800112 18001120 18001129 toll-free Open prefix 1800113 18001130 18001139 toll-free Open prefix 1800114 18001140 18001149 toll-free Open prefix 1800115 18001150 18001159 toll-free Open prefix 1800116 18001160 18001169 toll-free Open prefix 1800117 18001170 18001179 toll-free Open prefix 1800118 18001180 18001189 toll-free Open prefix 1800119 18001190 18001199 toll-free Open prefix 1800120 18001200 18001209 toll-free Open prefix 1800121 18001210 18001219 toll-free Open prefix 1800122 18001220 18001229 toll-free Open prefix 1800123 18001230 18001239 toll-free Open prefix 1800124 18001240 18001249 toll-free Open prefix 1800125 18001250 18001259 toll-free Open prefix 1800126 18001260 18001269 toll-free Open prefix 1800127 18001270 18001279 toll-free Open prefix 1800128 18001280 18001289 toll-free Open prefix 1800129 18001290 18001299 toll-free Open prefix 1800130 18001300 18001309 toll-free Open prefix 1800131 18001310 18001319 toll-free Open prefix 1800132 18001320 18001329 toll-free Open prefix 1800133 18001330 18001339 toll-free Open prefix 1800134 18001340 18001349 toll-free Open prefix 1800135 18001350 18001359 toll-free Open prefix 1800136 18001360 18001369 toll-free Open prefix 1800137 18001370 18001379 toll-free Open prefix 1800138 18001380 18001389 toll-free Open prefix 1800139 18001390 18001399 toll-free Open prefix 1800140 18001400 18001409 toll-free Open prefix 1800141 18001410 18001419 toll-free Open prefix 1800142 18001420 18001429 toll-free Open prefix 1800143 18001430 18001439 toll-free Open prefix 1800144 18001440 18001449 toll-free Open prefix 1800145 18001450 18001459 toll-free Open prefix 1800146 18001460 18001469 toll-free Open prefix 1800147 18001470 18001479 toll-free Open prefix 1800148 18001480 18001489 toll-free Open prefix 1800149 18001490 18001499 toll-free Open prefix 1800150 18001500 18001509 toll-free Open prefix 1800151 18001510 18001519 toll-free Open prefix 1800152 18001520 18001529 toll-free Open prefix 1800153 18001530 18001539 toll-free Open prefix 1800154 18001540 18001549 toll-free Open prefix 1800155 18001550 18001559 toll-free Open prefix 1800156 18001560 18001569 toll-free Open prefix 1800157 18001570 18001579 toll-free Open prefix 1800158 18001580 18001589 toll-free Open prefix 1800159 18001590 18001599 toll-free Open prefix 1800160 18001600 18001609 toll-free Open prefix 1800161 18001610 18001619 toll-free Open prefix 1800162 18001620 18001629 toll-free Open prefix 1800163 18001630 18001639 toll-free Open prefix 1800164 18001640 18001649 toll-free Open prefix 1800165 18001650 18001659 toll-free Open prefix 1800166 18001660 18001669 toll-free Open prefix 1800167 18001670 18001679 toll-free Open prefix 1800168 18001680 18001689 toll-free Open prefix 1800169 18001690 18001699 toll-free Open prefix 1800170 18001700 18001709 toll-free Open prefix 1800171 18001710 18001719 toll-free Open prefix 1800172 18001720 18001729 toll-free Open prefix 1800173 18001730 18001739 toll-free Open prefix 1800174 18001740 18001749 toll-free Open prefix 1800175 18001750 18001759 toll-free Open prefix 1800176 18001760 18001769 toll-free Open prefix 1800177 18001770 18001779 toll-free Open prefix 1800178 18001780 18001789 toll-free Open prefix 1800179 18001790 18001799 toll-free Open prefix 1800180 18001800 18001809 toll-free Open prefix 1800181 18001810 18001819 toll-free Open prefix 1800182 18001820 18001829 toll-free Open prefix 1800183 18001830 18001839 toll-free Open prefix 1800184 18001840 18001849 toll-free Open prefix 1800185 18001850 18001859 toll-free Open prefix 1800186 18001860 18001869 toll-free Open prefix 1800187 18001870 18001879 toll-free Open prefix 1800188 18001880 18001889 toll-free Open prefix 1800189 18001890 18001899 toll-free Open prefix 1800190 18001900 18001909 toll-free Open prefix 1800191 18001910 18001919 toll-free Open prefix 1800192 18001920 18001929 toll-free Open prefix 1800193 18001930 18001939 toll-free Open prefix 1800194 18001940 18001949 toll-free Open prefix 1800195 18001950 18001959 toll-free Open prefix 1800196 18001960 18001969 toll-free Open prefix 1800197 18001970 18001979 toll-free Open prefix 1800198 18001980 18001989 toll-free Open prefix 1800199 18001990 18001999 toll-free Open prefix