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 5 / 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 5 / 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 5 / 20
1800400 18004000 18004009 toll-free Open prefix 1800401 18004010 18004019 toll-free Open prefix 1800402 18004020 18004029 toll-free Open prefix 1800403 18004030 18004039 toll-free Open prefix 1800404 18004040 18004049 toll-free Open prefix 1800405 18004050 18004059 toll-free Open prefix 1800406 18004060 18004069 toll-free Open prefix 1800407 18004070 18004079 toll-free Open prefix 1800408 18004080 18004089 toll-free Open prefix 1800409 18004090 18004099 toll-free Open prefix 1800410 18004100 18004109 toll-free Open prefix 1800411 18004110 18004119 toll-free Open prefix 1800412 18004120 18004129 toll-free Open prefix 1800413 18004130 18004139 toll-free Open prefix 1800414 18004140 18004149 toll-free Open prefix 1800415 18004150 18004159 toll-free Open prefix 1800416 18004160 18004169 toll-free Open prefix 1800417 18004170 18004179 toll-free Open prefix 1800418 18004180 18004189 toll-free Open prefix 1800419 18004190 18004199 toll-free Open prefix 1800420 18004200 18004209 toll-free Open prefix 1800421 18004210 18004219 toll-free Open prefix 1800422 18004220 18004229 toll-free Open prefix 1800423 18004230 18004239 toll-free Open prefix 1800424 18004240 18004249 toll-free Open prefix 1800425 18004250 18004259 toll-free Open prefix 1800426 18004260 18004269 toll-free Open prefix 1800427 18004270 18004279 toll-free Open prefix 1800428 18004280 18004289 toll-free Open prefix 1800429 18004290 18004299 toll-free Open prefix 1800430 18004300 18004309 toll-free Open prefix 1800431 18004310 18004319 toll-free Open prefix 1800432 18004320 18004329 toll-free Open prefix 1800433 18004330 18004339 toll-free Open prefix 1800434 18004340 18004349 toll-free Open prefix 1800435 18004350 18004359 toll-free Open prefix 1800436 18004360 18004369 toll-free Open prefix 1800437 18004370 18004379 toll-free Open prefix 1800438 18004380 18004389 toll-free Open prefix 1800439 18004390 18004399 toll-free Open prefix 1800440 18004400 18004409 toll-free Open prefix 1800441 18004410 18004419 toll-free Open prefix 1800442 18004420 18004429 toll-free Open prefix 1800443 18004430 18004439 toll-free Open prefix 1800444 18004440 18004449 toll-free Open prefix 1800445 18004450 18004459 toll-free Open prefix 1800446 18004460 18004469 toll-free Open prefix 1800447 18004470 18004479 toll-free Open prefix 1800448 18004480 18004489 toll-free Open prefix 1800449 18004490 18004499 toll-free Open prefix 1800450 18004500 18004509 toll-free Open prefix 1800451 18004510 18004519 toll-free Open prefix 1800452 18004520 18004529 toll-free Open prefix 1800453 18004530 18004539 toll-free Open prefix 1800454 18004540 18004549 toll-free Open prefix 1800455 18004550 18004559 toll-free Open prefix 1800456 18004560 18004569 toll-free Open prefix 1800457 18004570 18004579 toll-free Open prefix 1800458 18004580 18004589 toll-free Open prefix 1800459 18004590 18004599 toll-free Open prefix 1800460 18004600 18004609 toll-free Open prefix 1800461 18004610 18004619 toll-free Open prefix 1800462 18004620 18004629 toll-free Open prefix 1800463 18004630 18004639 toll-free Open prefix 1800464 18004640 18004649 toll-free Open prefix 1800465 18004650 18004659 toll-free Open prefix 1800466 18004660 18004669 toll-free Open prefix 1800467 18004670 18004679 toll-free Open prefix 1800468 18004680 18004689 toll-free Open prefix 1800469 18004690 18004699 toll-free Open prefix 1800470 18004700 18004709 toll-free Open prefix 1800471 18004710 18004719 toll-free Open prefix 1800472 18004720 18004729 toll-free Open prefix 1800473 18004730 18004739 toll-free Open prefix 1800474 18004740 18004749 toll-free Open prefix 1800475 18004750 18004759 toll-free Open prefix 1800476 18004760 18004769 toll-free Open prefix 1800477 18004770 18004779 toll-free Open prefix 1800478 18004780 18004789 toll-free Open prefix 1800479 18004790 18004799 toll-free Open prefix 1800480 18004800 18004809 toll-free Open prefix 1800481 18004810 18004819 toll-free Open prefix 1800482 18004820 18004829 toll-free Open prefix 1800483 18004830 18004839 toll-free Open prefix 1800484 18004840 18004849 toll-free Open prefix 1800485 18004850 18004859 toll-free Open prefix 1800486 18004860 18004869 toll-free Open prefix 1800487 18004870 18004879 toll-free Open prefix 1800488 18004880 18004889 toll-free Open prefix 1800489 18004890 18004899 toll-free Open prefix 1800490 18004900 18004909 toll-free Open prefix 1800491 18004910 18004919 toll-free Open prefix 1800492 18004920 18004929 toll-free Open prefix 1800493 18004930 18004939 toll-free Open prefix 1800494 18004940 18004949 toll-free Open prefix 1800495 18004950 18004959 toll-free Open prefix 1800496 18004960 18004969 toll-free Open prefix 1800497 18004970 18004979 toll-free Open prefix 1800498 18004980 18004989 toll-free Open prefix 1800499 18004990 18004999 toll-free Open prefix