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: 2026-07-26
Country Singapore Singapore Country code: +65
Number type toll-free Prefix
Total prefixes 2,000 Pages 4 / 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 4 / 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 4 / 20
1800300 18003000 18003009 toll-free Open prefix 1800301 18003010 18003019 toll-free Open prefix 1800302 18003020 18003029 toll-free Open prefix 1800303 18003030 18003039 toll-free Open prefix 1800304 18003040 18003049 toll-free Open prefix 1800305 18003050 18003059 toll-free Open prefix 1800306 18003060 18003069 toll-free Open prefix 1800307 18003070 18003079 toll-free Open prefix 1800308 18003080 18003089 toll-free Open prefix 1800309 18003090 18003099 toll-free Open prefix 1800310 18003100 18003109 toll-free Open prefix 1800311 18003110 18003119 toll-free Open prefix 1800312 18003120 18003129 toll-free Open prefix 1800313 18003130 18003139 toll-free Open prefix 1800314 18003140 18003149 toll-free Open prefix 1800315 18003150 18003159 toll-free Open prefix 1800316 18003160 18003169 toll-free Open prefix 1800317 18003170 18003179 toll-free Open prefix 1800318 18003180 18003189 toll-free Open prefix 1800319 18003190 18003199 toll-free Open prefix 1800320 18003200 18003209 toll-free Open prefix 1800321 18003210 18003219 toll-free Open prefix 1800322 18003220 18003229 toll-free Open prefix 1800323 18003230 18003239 toll-free Open prefix 1800324 18003240 18003249 toll-free Open prefix 1800325 18003250 18003259 toll-free Open prefix 1800326 18003260 18003269 toll-free Open prefix 1800327 18003270 18003279 toll-free Open prefix 1800328 18003280 18003289 toll-free Open prefix 1800329 18003290 18003299 toll-free Open prefix 1800330 18003300 18003309 toll-free Open prefix 1800331 18003310 18003319 toll-free Open prefix 1800332 18003320 18003329 toll-free Open prefix 1800333 18003330 18003339 toll-free Open prefix 1800334 18003340 18003349 toll-free Open prefix 1800335 18003350 18003359 toll-free Open prefix 1800336 18003360 18003369 toll-free Open prefix 1800337 18003370 18003379 toll-free Open prefix 1800338 18003380 18003389 toll-free Open prefix 1800339 18003390 18003399 toll-free Open prefix 1800340 18003400 18003409 toll-free Open prefix 1800341 18003410 18003419 toll-free Open prefix 1800342 18003420 18003429 toll-free Open prefix 1800343 18003430 18003439 toll-free Open prefix 1800344 18003440 18003449 toll-free Open prefix 1800345 18003450 18003459 toll-free Open prefix 1800346 18003460 18003469 toll-free Open prefix 1800347 18003470 18003479 toll-free Open prefix 1800348 18003480 18003489 toll-free Open prefix 1800349 18003490 18003499 toll-free Open prefix 1800350 18003500 18003509 toll-free Open prefix 1800351 18003510 18003519 toll-free Open prefix 1800352 18003520 18003529 toll-free Open prefix 1800353 18003530 18003539 toll-free Open prefix 1800354 18003540 18003549 toll-free Open prefix 1800355 18003550 18003559 toll-free Open prefix 1800356 18003560 18003569 toll-free Open prefix 1800357 18003570 18003579 toll-free Open prefix 1800358 18003580 18003589 toll-free Open prefix 1800359 18003590 18003599 toll-free Open prefix 1800360 18003600 18003609 toll-free Open prefix 1800361 18003610 18003619 toll-free Open prefix 1800362 18003620 18003629 toll-free Open prefix 1800363 18003630 18003639 toll-free Open prefix 1800364 18003640 18003649 toll-free Open prefix 1800365 18003650 18003659 toll-free Open prefix 1800366 18003660 18003669 toll-free Open prefix 1800367 18003670 18003679 toll-free Open prefix 1800368 18003680 18003689 toll-free Open prefix 1800369 18003690 18003699 toll-free Open prefix 1800370 18003700 18003709 toll-free Open prefix 1800371 18003710 18003719 toll-free Open prefix 1800372 18003720 18003729 toll-free Open prefix 1800373 18003730 18003739 toll-free Open prefix 1800374 18003740 18003749 toll-free Open prefix 1800375 18003750 18003759 toll-free Open prefix 1800376 18003760 18003769 toll-free Open prefix 1800377 18003770 18003779 toll-free Open prefix 1800378 18003780 18003789 toll-free Open prefix 1800379 18003790 18003799 toll-free Open prefix 1800380 18003800 18003809 toll-free Open prefix 1800381 18003810 18003819 toll-free Open prefix 1800382 18003820 18003829 toll-free Open prefix 1800383 18003830 18003839 toll-free Open prefix 1800384 18003840 18003849 toll-free Open prefix 1800385 18003850 18003859 toll-free Open prefix 1800386 18003860 18003869 toll-free Open prefix 1800387 18003870 18003879 toll-free Open prefix 1800388 18003880 18003889 toll-free Open prefix 1800389 18003890 18003899 toll-free Open prefix 1800390 18003900 18003909 toll-free Open prefix 1800391 18003910 18003919 toll-free Open prefix 1800392 18003920 18003929 toll-free Open prefix 1800393 18003930 18003939 toll-free Open prefix 1800394 18003940 18003949 toll-free Open prefix 1800395 18003950 18003959 toll-free Open prefix 1800396 18003960 18003969 toll-free Open prefix 1800397 18003970 18003979 toll-free Open prefix 1800398 18003980 18003989 toll-free Open prefix 1800399 18003990 18003999 toll-free Open prefix