DIDfarm Numbers — Complete Guide
What Are DID Numbers?
A DID (Direct Inward Dialing) number is a virtual phone number that routes incoming calls over the internet to your phone system. Unlike traditional phone lines, DID numbers are not tied to a physical location or copper wire. You can have a London number ring on a PBX in Amsterdam, or a New York number forwarded to a mobile in Berlin.
DIDfarm provides DID numbers in 70+ countries. Numbers connect to your infrastructure via SIP (Session Initiation Protocol), the standard for internet-based voice communication.
Number Types
DIDfarm offers four types of numbers, each suited to different use cases:
| Type | Format Example | Best For | Caller Cost |
|---|---|---|---|
| Local | +31 20 123 4567 | Establishing a local presence in a specific city | Local rate for the caller |
| National | +31 85 123 4567 | Country-wide presence without a city association | National rate |
| Mobile | +31 6 1234 5678 | SMS-enabled numbers, mobile caller ID | Mobile rate |
| Toll-free | +31 800 123 4567 | Customer service lines (you pay for inbound minutes) | Free for the caller |
How to Order
Ordering numbers takes three steps:
- Find a number — go to Buy Numbers, pick a country and number type, then browse or search available numbers.
- Add to cart — select one or more numbers. The cart shows the monthly cost per number and the total.
- Checkout — confirm your order. The cost is deducted from your wallet. Numbers that do not require regulatory verification activate instantly.
Forwarding & Routing
Once a number is active, you decide where incoming calls go. DIDfarm supports SIP-based routing:
- SIP Trunk — assign the number to a SIP trunk connected to your PBX (3CX, FreePBX, Asterisk, Teams, etc.). This is the most common setup.
- Multiple numbers, one trunk — assign several numbers to the same trunk. Your PBX uses the dialed number (DID) to route each call to the correct extension, queue, or IVR.
- Per-number routing — assign different numbers to different trunks for multi-site or multi-client setups.
Routing is managed in the DID Routing section of the portal. Changes take effect within seconds.
SMS on Numbers
SMS capability depends on the number type and country. Mobile numbers in supported countries can send and receive SMS messages. Local and toll-free numbers generally do not support SMS.
To check whether a number supports SMS, look for the SMS indicator in the order flow or in your number list in the portal.
Regulatory Requirements
Many countries require identity verification before a phone number can be activated. This is a legal requirement imposed by national telecom regulators, not a DIDfarm policy.
Common requirements include:
- Proof of identity — passport, national ID card, or driver's license
- Proof of address — utility bill, bank statement, or official registration document
- Local address — some countries require a physical address within the country (for local numbers)
- Company registration — business numbers may require a chamber of commerce extract or VAT registration
Countries with regulatory requirements include Germany, France, Belgium, the Netherlands, Spain, Italy, and many others. The checkout process will tell you exactly which documents are needed and guide you through the upload process.
| Country | Documents Required | Typical Review Time |
|---|---|---|
| Germany (DE) | ID + proof of address | 1–3 business days |
| France (FR) | ID + proof of address | 1–3 business days |
| Netherlands (NL) | ID + proof of address | 1–2 business days |
| Belgium (BE) | ID + proof of address | 1–3 business days |
| United Kingdom (GB) | Usually none (instant) | Instant |
| United States (US) | Usually none (instant) | Instant |
Pricing
DIDfarm pricing has two components:
- Monthly fee — a fixed per-number charge billed monthly. This covers number rental and basic inbound capacity. Prices vary by country and number type, starting from around EUR 1.00/month.
- Usage charges — per-minute rates for inbound and outbound calls. Inbound is free for most number types (except toll-free, where you pay for inbound minutes). Outbound rates depend on the destination.
Current prices are always shown in the order flow before checkout. There are no setup fees, no contracts, and no minimum commitment.
Number Lifecycle
A DIDfarm number goes through the following states:
| Status | Description |
|---|---|
| Available | Number is in inventory and can be purchased |
| Provisioning | Purchase is being processed (usually seconds) |
| Pending verification | Waiting for regulatory documents to be submitted and approved |
| Active | Number is live and receiving calls. Renews monthly from wallet. |
| Suspended | Number is temporarily disabled (insufficient funds or admin action). Can be reactivated. |
| Released | Number has been returned to the carrier pool. Cannot be recovered. |
Browse numbers in 70+ countries
Find local, national, mobile, and toll-free numbers instantly.