Voice
How to Call Dominica
This guide provides helpful tips for calling Dominica from the U.S. Learn how to make calls to Dominica with confidence.
The Dominica country code is +1. Use +1 as the international dialing prefix for calls to Dominica from any country, then dial the local number. The ISO codes are DM and DMA.
DOMINICA COUNTRY CODE
+1
Dial before any Dominican number from outside Dominica
What is the country code for Dominica?
| Quick reference | Detail | When to use |
|---|---|---|
| Country Code | +1 | Dial before a Dominican number |
| ISO Code | DM / DMA | Country identifiers |
| International Prefix | +1 | Use for calls into Dominica |
| Trunk Prefix | None | Dominica uses NANP 10-digit dialing |
| Number Length | 10 digits after +1 | Area or mobile code plus subscriber number |
| Emergency | 999 | Police, fire, and ambulance |
Good to know: Dominica uses area code 767 under the North American Numbering Plan. No trunk prefix needed.
For Dominican numbers, Dominica uses NANP 10-digit dialing. Dial the same way domestically and internationally.
How to call Dominica
Use this universal format: exit code, then +1, then 767 (Dominica area code), then the local number.
- Dial your exit code, or press + on a mobile phone.
- Dial 1 for Dominica.
- Dial the area code.
- Dial the local subscriber number.
International call flow:
1. Exit code
→
2. +1
→
3. Area code without 0
→
4. Local number
Exit code by country
US and Canada
011
UK and most of Europe
00
Australia
0011
Mobile, any country
+
Dominican numbers use a 0 trunk prefix for domestic calls. Remove it when calling from abroad.
Dialing format and examples
The +CC format works on any mobile phone. Use +1 767 123 4567 for a Roseau landline and +1 767 234 5678 for a mobile number.
| Origin | Format | Example |
|---|---|---|
| US/Canada | 011 1 area code local number | 1 767 123 4567 |
| UK | 00 1 area code local number | 00 1 767 123 4567 |
| Australia | 0011 1 area code local number | 01 767 123 4567 |
| Mobile, any country | +1 area code local number | +1 767 123 4567 |
For other dialing guides, see How to call the Netherlands or How to call Germany.
What a Dominica number looks like
A Dominican phone number in international format has two parts. The country code +1 and the national number.
Landline
+1 | 767 | 1234567
Mobile
+1 | 767 | 2345678
Number format and length
After +1, Dominican numbers contain 10 digits after +1. Landlines and mobile numbers follow the national format.
| Number type | Pattern | Example |
|---|---|---|
| Roseau landline | +1 767 XXX XXXX | +1 767 123 4567 |
| Dominican mobile | +1 767 XXX XXXX | +1 767 234 5678 |
Format a Dominica number for WhatsApp
For WhatsApp, save the Dominican number in international format with +1 and no trunk 0. You can also save it without spaces.
If your team needs a Dominican number for customer calls or local presence, see Telnyx Phone Numbers for numbers in 140+ countries with instant activation.
Good to know: WhatsApp needs the full international format. Dial the full national number after +1.
Dominica number formats and emergency numbers
Dominican numbers follow the national format. From another country, place +1 before the national number.
| City or region | Domestic code | International code |
|---|---|---|
| Roseau | 767 | +1 767 |
| Portsmouth | 767 | +1 767 |
| Marigot | 767 | +1 767 |
| Grand Bay | 767 | +1 767 |
| Castle Bruce | 767 | +1 767 |
| Salisbury | 767 | +1 767 |
| Number type | Dialed in Dominica | Notes |
|---|---|---|
| Emergency | 999 | Police, fire, ambulance |
| Toll-free | 0800 | Free from Dominican lines, not always reachable from abroad |
| Premium rate | 0900 | Can cost more than standard calls |
| Business numbers | 085 | Non-geographic business lines |
Keep in mind: 999 works inside Dominica only. If you are outside Dominica, call the emergency number for your current location. Some service numbers may not accept calls from outside Dominica.
Cost and best time to call Dominica
Call cost and timing depend on your carrier, your country, and whether you call a landline, mobile, toll-free, or premium-rate number.
How much does it cost to call Dominica
For business calling, Telnyx SIP Trunking gives per-minute pricing for calls to Dominican landline and mobile destinations with usage-based pricing and no monthly minimums. Your total cost can change based on call volume, destination type, and fees from your current provider.
| Calling method | Cost pattern | Best for |
|---|---|---|
| Mobile carrier | Plan rate or international fee | Personal calls |
| International add-on | Recurring fee plus lower per-minute rates | Repeat callers |
| VoIP or SIP | Per-minute pricing by destination type | Teams and high-volume calling |
Good to know: Ask your provider whether Dominican mobile calls are priced differently from landline calls. They often are.
Time zones and best time to call
Dominica follows Atlantic Standard Time, UTC-4, year-round with no daylight saving.
| Calling from | Offset from NL | Best call window |
|---|---|---|
| United Kingdom | DM offset varies | 8:00 a.m. to 4:00 p.m. UK time |
| US Eastern | DM offset varies | 9:00 a.m. to 11:00 a.m. ET |
| US Pacific | DM offset varies | 6:00 a.m. to 8:00 a.m. PT |
Good to know: Time differences can shift for short periods because daylight saving dates do not match in every country.
Is calling Dominica free
Calling Dominica is not automatically free. It may be free if your mobile or landline plan includes Dominica calling, if both parties use an app over data, or if a company gives you a reachable local number.
WhatsApp and similar apps do not charge per minute for app-to-app calls, but your internet or roaming plan may charge for data. Business callers can use SIP Trunking with usage-based pricing for the lowest per-minute rates.
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Serhii Omelchenko
Global AEO/SEO Manager
Serhii is Global AEO/SEO Manager at Telnyx, based in Amsterdam, he is focused on making communications infrastructure findable and credible across both traditional search and AI-driven discovery. He previously led SEO and GEO strategy for some of the world’s most recognized consu
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