Westminster, MD Area Codes
Westminster, Maryland (population 20,589) uses area codes 443, 410 and 667.
Carriers with Westminster numbers
28 prefixes are assigned to the Westminster exchange: 32% mobile, 18% VoIP and cable, 50% landline.
| Carrier | Prefixes |
|---|---|
| Verizon Wireless | 6 |
| Verizon | 6 |
| AT&T Mobility | 3 |
| Lumen (Level 3) | 2 |
| Metropcs | 2 |
| Onvoy (Sinch) | 1 |
| Verizon Business (MCImetro) | 1 |
| Core Communications | 1 |
Area codes used in Westminster
| Area code | Prefixes serving Westminster | Main carriers in this code |
|---|---|---|
| 443 | 15 | Paetec Itel, Verizon Wireless, T-Mobile |
| 410 | 8 | Verizon, Verizon Wireless, AT&T Mobility |
| 667 | 5 | Onvoy (Sinch), AT&T Mobility, T-Mobile |
Westminster phone number prefixes
Numbers starting with these first six digits were originally assigned to the Westminster exchange.
443-201AT&T Mobility443-241Onvoy (Sinch)443-244Lumen (Level 3)443-289Verizon Business (MCImetro)443-293Verizon Wireless443-340Verizon Wireless443-368Core Communications443-487Lumen (Level 3)443-536Metropcs443-547Verizon Wireless443-605Paetec Itel443-789AT&T Mobility443-821Metropcs443-952Verizon Wireless443-974AT&T (Teleport)410-259Verizon Wireless410-386Verizon410-596Verizon Wireless410-751Verizon410-848Verizon410-857Verizon410-861Verizon410-871Verizon667-272AT&T Mobility667-314Barr Tell USA667-367Baltimore-Washington Telephone (Bwt)667-484Boost Subscriberco L.L.C.667-788Quantum Telecommunications
Nearby cities in area code 443
- Baltimore
- Columbia
- Ellicott City
- Glen Burnie
- Dundalk
- Severn
- Bel Air South
- Towson
- Odenton
- Catonsville
- Essex
- Annapolis
Questions
- What is the area code for Westminster, MD?
- Westminster 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 Westminster in?
- Westminster is in the Eastern time zone.