Number generator
fake numbers, real
format. Free.

Generate fictional phone numbers from ranges that regulators reserve for fiction and testing: US, Canada, UK, Germany and Australia. Built for developers, designers, and QA teams. Nothing is stored or logged.

RESERVED RANGES ONLYBATCH UP TO 50CSV EXPORT100% FREE
Runs in-browser, nothing logged No signup Instant CSV
Country
Type
How many

NANP numbers reserved for fiction: 555-0100 to 555-0199. Other countries are not offered because no official reserved range is available.

Realistic format. Drawn from reserved ranges.

Every number comes from a block that a regulator reserves for fiction and testing, so it is not assigned to a real subscriber. Some validators reject reserved ranges for exactly that reason.

Reserved ranges only

Numbers come only from blocks that regulators reserve for fiction and testing, so they are not assigned to a real subscriber.

US, Canada, UK, Germany, Australia

Offered only where an official regulator publishes a reserved fictional range. Other countries are not available.

Up to 50 at once

Generate up to 50 distinct numbers per click. Some countries have smaller reserved blocks, so you may get fewer.

E.164 & local format output

Every number comes in two formats: the international E.164 form (+1...) and the local dial format used in that country.

One-click CSV export

Download a clean CSV for your database seeder, Postman collection, or spreadsheet.

Runs in your browser

No account and no API key. The numbers are generated in your browser; this tool does not send them anywhere.

Three steps. Ready in seconds.

01

Choose country & line type

Pick one of the supported countries and, where offered, the line type. Only reserved fictional ranges are used.

02

Set how many you need

Dial the quantity up or down — anywhere from 1 to 50. Each number in a batch is distinct.

03

Copy or export as CSV

Hit Generate. Copy the whole list to clipboard in one click, or grab a clean CSV ready to drop into your seed script or test suite.

Six real scenarios where fake beats real.

Developers, QA engineers, designers, and technical writers all need phone numbers that look authentic but carry zero risk. Here's exactly when a generated number is the right call.

Form & input validation

Confirm your phone field accepts valid international formats — and correctly rejects malformed ones — before you ship.

Database & seed data

Fill dev and staging databases with numbers from officially reserved fictional ranges, so they do not belong to a real person.

i18n & edge-case QA

Test country-code parsing and formats for the supported countries without touching real subscriber data. Some validators reject reserved ranges.

Designs & demo decks

Replace obviously fake "555-1234" placeholders with numbers that look native to the country your design targets.

Privacy guard

When a site demands a phone to proceed but you have no intent to receive calls, a correctly formatted placeholder is the cleaner choice.

Docs & code samples

Reference numbers in API docs, code examples, and tutorials, taken from ranges reserved for that purpose.

What the generator outputs for each country.

These are the only countries offered, and the reserved range each one uses.

CountryExample outputFormat rule
USA & Canada+1
+1 415 555 0142NANP 555-0100 to 555-0199 (reserved for fiction)
United Kingdom+44
+44 7700 900461Ofcom drama ranges: 07700 900xxx, 020 7946 0xxx, 08081 570xxx
Germany+49
+49 30 23125 042Landline only: Berlin 030 23125 xxx, Frankfurt 069 9000 xxx, München 089 9999 xxx
Australia+61
+61 491 570 156ACMA reserved mobile numbers; landline 02 5550 xxxx

Built for anyone who needs a number that is not a real person's.

From solo developers to enterprise QA teams, the use cases are the same: you need phone numbers that look real but are drawn from ranges reserved for fiction and testing.

DEVELOPERS

Seed local databases, test form validation, and populate test environments without touching production data or real subscriber records. Check your API or library for how it treats reserved ranges.

QA & TESTERS

Generate numbers for the supported countries to test how your app handles international formats and country codes, without a SIM card or live account.

DESIGNERS & UX

Replace obviously fake "555-1234" placeholders with country-native formats in mockups, prototypes, and client demos. A US, UK, German or Australian number that looks authentic improves the realism of a UI review.

TECHNICAL WRITERS

Reference numbers in documentation, code samples, and tutorials that look real without accidentally publishing a live subscriber number. Readers copy-paste examples, so use reserved ranges that will not reach a real person.

Need a real working number?

Get a real, working virtual number in 60+ countries.

If you're generating numbers because you actually need one — for business, travel, or privacy — CallMama gives you a real, working virtual number activated in minutes.

Get a Virtual Phone Number

Frequently asked.

Are these numbers safe to use?
They are drawn only from ranges that regulators officially reserve for fiction and testing, so they are not assigned to any subscriber: NANP 555-0100 to 555-0199 (US and Canada), Ofcom drama ranges (UK), Bundesnetzagentur drama numbers (Germany) and ACMA reserved numbers (Australia).
Why only a few countries?
We only generate numbers for countries where an official regulator publishes a reserved fictional range we can rely on. For other countries, random digits could belong to a real person, so the tool does not offer them.
Why do US numbers use "555" in the middle?
Only 555-0100 through 555-0199 are reserved for fictional use; other 555 numbers can be assigned. Generated US and Canadian numbers use that reserved block.
Will a phone-number validator accept them?
They follow each country's format, but some validators treat reserved fictional ranges as invalid, so results depend on the validator you use.
Can I seed a production database with these numbers?
For staging, dev, and QA databases — yes. For production databases that contain real user records, do not mix generated numbers with real ones without a clear flag, as it may mislead support or billing staff. Label synthetic test records as such.
Will these numbers work with Twilio, Stripe, or other APIs in test mode?
Check each API's documentation. Many sandboxes publish their own test numbers, and some reject reserved ranges. This tool does not know how a given provider treats them.
How is this different from a burner phone or virtual number?
A virtual number (like one from CallMama) is a real, working phone number that can receive calls and SMS. Numbers from this generator are fictional: they are not registered anywhere and cannot receive anything.
Is there a limit on how many I can generate?
Up to 50 numbers per click. Some countries have fewer reserved numbers (for example, Australian mobile has only a handful), so you may get fewer.

Pick up where you
left off.

One tap to install. One more to call. It really is that simple.

Tweaks