Dundalk, MD Area Codes
Dundalk, Maryland (population 65,441) uses area codes 443, 410 and 667.
Carriers with Dundalk numbers
19 prefixes are assigned to the Dundalk exchange: 16% mobile, 26% VoIP and cable, 58% landline.
| Carrier | Prefixes |
|---|---|
| Verizon | 5 |
| Paetec Itel | 4 |
| Verizon Business (MCImetro) | 3 |
| AT&T Mobility | 3 |
| AT&T (Teleport) | 1 |
| Onvoy (Sinch) | 1 |
| Core Communications | 1 |
| Ton80 Communications | 1 |
Area codes used in Dundalk
| Area code | Prefixes serving Dundalk | Main carriers in this code |
|---|---|---|
| 443 | 10 | Paetec Itel, Verizon Wireless, T-Mobile |
| 410 | 5 | Verizon, Verizon Wireless, AT&T Mobility |
| 667 | 4 | Onvoy (Sinch), AT&T Mobility, T-Mobile |
Dundalk phone number prefixes
Numbers starting with these first six digits were originally assigned to the Dundalk exchange.
443-216Paetec Itel443-376AT&T (Teleport)443-399Onvoy (Sinch)443-407Verizon Business (MCImetro)443-503Verizon Business (MCImetro)443-530Paetec Itel443-549Paetec Itel443-586Core Communications443-696Paetec Itel443-879Verizon410-282Verizon410-284Verizon410-285Verizon410-288Verizon410-650Verizon Business (MCImetro)667-263AT&T Mobility667-456AT&T Mobility667-501AT&T Mobility667-856Ton80 Communications
Nearby cities in area code 443
- Baltimore
- Columbia
- Ellicott City
- Glen Burnie
- Severn
- Bel Air South
- Towson
- Odenton
- Catonsville
- Essex
- Annapolis
- Severna Park
Questions
- What is the area code for Dundalk, MD?
- Dundalk uses 3 area codes: 443, 410 and 667. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Dundalk in?
- Dundalk is in the Eastern time zone.