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: 2026-07-28
Country Singapore Singapore Country code: +65
Number type toll-free Prefix
Total prefixes 2,000 Pages 6 / 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 6 / 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 6 / 20
1800500 18005000 18005009 toll-free Open prefix 1800501 18005010 18005019 toll-free Open prefix 1800502 18005020 18005029 toll-free Open prefix 1800503 18005030 18005039 toll-free Open prefix 1800504 18005040 18005049 toll-free Open prefix 1800505 18005050 18005059 toll-free Open prefix 1800506 18005060 18005069 toll-free Open prefix 1800507 18005070 18005079 toll-free Open prefix 1800508 18005080 18005089 toll-free Open prefix 1800509 18005090 18005099 toll-free Open prefix 1800510 18005100 18005109 toll-free Open prefix 1800511 18005110 18005119 toll-free Open prefix 1800512 18005120 18005129 toll-free Open prefix 1800513 18005130 18005139 toll-free Open prefix 1800514 18005140 18005149 toll-free Open prefix 1800515 18005150 18005159 toll-free Open prefix 1800516 18005160 18005169 toll-free Open prefix 1800517 18005170 18005179 toll-free Open prefix 1800518 18005180 18005189 toll-free Open prefix 1800519 18005190 18005199 toll-free Open prefix 1800520 18005200 18005209 toll-free Open prefix 1800521 18005210 18005219 toll-free Open prefix 1800522 18005220 18005229 toll-free Open prefix 1800523 18005230 18005239 toll-free Open prefix 1800524 18005240 18005249 toll-free Open prefix 1800525 18005250 18005259 toll-free Open prefix 1800526 18005260 18005269 toll-free Open prefix 1800527 18005270 18005279 toll-free Open prefix 1800528 18005280 18005289 toll-free Open prefix 1800529 18005290 18005299 toll-free Open prefix 1800530 18005300 18005309 toll-free Open prefix 1800531 18005310 18005319 toll-free Open prefix 1800532 18005320 18005329 toll-free Open prefix 1800533 18005330 18005339 toll-free Open prefix 1800534 18005340 18005349 toll-free Open prefix 1800535 18005350 18005359 toll-free Open prefix 1800536 18005360 18005369 toll-free Open prefix 1800537 18005370 18005379 toll-free Open prefix 1800538 18005380 18005389 toll-free Open prefix 1800539 18005390 18005399 toll-free Open prefix 1800540 18005400 18005409 toll-free Open prefix 1800541 18005410 18005419 toll-free Open prefix 1800542 18005420 18005429 toll-free Open prefix 1800543 18005430 18005439 toll-free Open prefix 1800544 18005440 18005449 toll-free Open prefix 1800545 18005450 18005459 toll-free Open prefix 1800546 18005460 18005469 toll-free Open prefix 1800547 18005470 18005479 toll-free Open prefix 1800548 18005480 18005489 toll-free Open prefix 1800549 18005490 18005499 toll-free Open prefix 1800550 18005500 18005509 toll-free Open prefix 1800551 18005510 18005519 toll-free Open prefix 1800552 18005520 18005529 toll-free Open prefix 1800553 18005530 18005539 toll-free Open prefix 1800554 18005540 18005549 toll-free Open prefix 1800555 18005550 18005559 toll-free Open prefix 1800556 18005560 18005569 toll-free Open prefix 1800557 18005570 18005579 toll-free Open prefix 1800558 18005580 18005589 toll-free Open prefix 1800559 18005590 18005599 toll-free Open prefix 1800560 18005600 18005609 toll-free Open prefix 1800561 18005610 18005619 toll-free Open prefix 1800562 18005620 18005629 toll-free Open prefix 1800563 18005630 18005639 toll-free Open prefix 1800564 18005640 18005649 toll-free Open prefix 1800565 18005650 18005659 toll-free Open prefix 1800566 18005660 18005669 toll-free Open prefix 1800567 18005670 18005679 toll-free Open prefix 1800568 18005680 18005689 toll-free Open prefix 1800569 18005690 18005699 toll-free Open prefix 1800570 18005700 18005709 toll-free Open prefix 1800571 18005710 18005719 toll-free Open prefix 1800572 18005720 18005729 toll-free Open prefix 1800573 18005730 18005739 toll-free Open prefix 1800574 18005740 18005749 toll-free Open prefix 1800575 18005750 18005759 toll-free Open prefix 1800576 18005760 18005769 toll-free Open prefix 1800577 18005770 18005779 toll-free Open prefix 1800578 18005780 18005789 toll-free Open prefix 1800579 18005790 18005799 toll-free Open prefix 1800580 18005800 18005809 toll-free Open prefix 1800581 18005810 18005819 toll-free Open prefix 1800582 18005820 18005829 toll-free Open prefix 1800583 18005830 18005839 toll-free Open prefix 1800584 18005840 18005849 toll-free Open prefix 1800585 18005850 18005859 toll-free Open prefix 1800586 18005860 18005869 toll-free Open prefix 1800587 18005870 18005879 toll-free Open prefix 1800588 18005880 18005889 toll-free Open prefix 1800589 18005890 18005899 toll-free Open prefix 1800590 18005900 18005909 toll-free Open prefix 1800591 18005910 18005919 toll-free Open prefix 1800592 18005920 18005929 toll-free Open prefix 1800593 18005930 18005939 toll-free Open prefix 1800594 18005940 18005949 toll-free Open prefix 1800595 18005950 18005959 toll-free Open prefix 1800596 18005960 18005969 toll-free Open prefix 1800597 18005970 18005979 toll-free Open prefix 1800598 18005980 18005989 toll-free Open prefix 1800599 18005990 18005999 toll-free Open prefix