California, MD Area Codes
California, Maryland (population 13,223) uses area codes 410, 667 and 443.
California has no telephone exchange of its own in NANPA records; it is served by the Solomons exchange about 5.3 km away.
Carriers with California numbers
10 prefixes are assigned to the Solomons exchange: 10% mobile, 30% VoIP and cable, 60% landline.
| Carrier | Prefixes |
|---|---|
| Verizon | 2 |
| Bandwidth | 2 |
| AT&T Mobility | 1 |
| Boost Subscriberco L.L.C. | 1 |
| Onvoy (Sinch) | 1 |
| Core Communications | 1 |
| Paetec Itel | 1 |
| Metropcs | 1 |
Area codes used in California
| Area code | Prefixes serving California | Main carriers in this code |
|---|---|---|
| 410 | 4 | Verizon, Verizon Wireless, AT&T Mobility |
| 667 | 4 | Onvoy (Sinch), AT&T Mobility, T-Mobile |
| 443 | 2 | Paetec Itel, Verizon Wireless, T-Mobile |
California phone number prefixes
Numbers starting with these first six digits were originally assigned to the Solomons exchange.
410-231AT&T Mobility410-326Verizon410-394Verizon410-449Bandwidth667-385Boost Subscriberco L.L.C.667-397Onvoy (Sinch)667-473Core Communications667-803Bandwidth443-342Paetec Itel443-404Metropcs
Nearby cities in area code 410
- Baltimore
- Columbia
- Ellicott City
- Glen Burnie
- Dundalk
- Severn
- Bel Air South
- Towson
- Odenton
- Catonsville
- Essex
- Annapolis
Questions
- What is the area code for California, MD?
- California uses 3 area codes: 410, 667 and 443. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is California in?
- California is in the Eastern time zone.