Telephone Area 443. Page 9.
Prefix: +1443
This prefix is distributed within the state Maryland
The largest city in the region is Pikesville
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
Below on the map, there is indicated the largest city in the telephone area +1-443-...-.... Maryland Pikesville.
In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.
Phone numbers +1-443-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| Cellco Partnership DBA Verizon Wireless | Baltimore, MD | +1-443955-SSSS | |
| New Cingular Wireless PCS - DC | Baltimore City | Baltimore, MD | +1-443956-SSSS |
| AT&T Local | Baltimore City | Baltimore, MD | +1-443957-SSSS |
| Cellco Partnership DBA Verizon Wireless | Glen Burnie, MD | +1-443962-SSSS | |
| Level 3 Communications | North Beach, MD | +1-443964-SSSS | |
| Nextel Communications | Baltimore, MD | +1-443965-SSSS | |
| Cellco Partnership DBA Verizon Wireless | Fallston, MD | +1-443966-SSSS | |
| Verizon Maryland | Cecil | North East, MD | +1-443967-SSSS |
| New Cingular Wireless PCS - DC | Calvert | Prince Frederick, MD | +1-443968-SSSS |
| Cavalier Telephone Mid-atlantic | Baltimore | Essex, MD | +1-443969-SSSS |
| Bandwidth.com Clec | Baltimore | Taneytown, MD | +1-443971-SSSS |
| Xo Maryland | Anne Arundel | Baltimore, MD | +1-443973-SSSS |
| Teleport Communications Group America | Carroll | Westminster, MD | +1-443974-SSSS |
| New Cingular Wireless PCS - DC | Calvert | Prince Frederick, MD | +1-443975-SSSS |
| Baltimore-washington Telephone Bwt | +1-443976-SSSS | ||
| Cellco Partnership DBA Verizon Wireless | Baltimore, MD | +1-443977-SSSS | |
| New Cingular Wireless PCS - DC | Baltimore | Catonsville, MD | +1-443980-SSSS |
| Ymax Communications Corp. | Baltimore, MD | +1-443982-SSSS | |
| Omnipoint Communications Cap Operations | Baltimore City | Baltimore, MD | +1-443983-SSSS |
| Verizon Maryland | Baltimore City | Baltimore, MD | +1-443984-SSSS |
| Omnipoint Communications Cap Operations | Baltimore | Randallstown, MD | +1-443985-SSSS |
| Cellco Partnership DBA Verizon Wireless | Baltimore, MD | +1-443986-SSSS | |
| AT&T Local | Harford | Bel Air, MD | +1-443987-SSSS |
| Level 3 Communications | Centreville, MD | +1-443988-SSSS | |
| Cavalier Telephone Mid-atlantic | Anne Arundel | Glen Burnie, MD | +1-443989-SSSS |
| Bandwidth.com Clec | Baltimore | Baltimore, MD | +1-443990-SSSS |
| Level 3 Communications | Baltimore City | Baltimore, MD | +1-443992-SSSS |
| Metro PCS | Elkton, MD | +1-443993-SSSS | |
| New Cingular Wireless PCS - DC | Anne Arundel | Annapolis, MD | +1-443994-SSSS |
| New Cingular Wireless PCS - DC | Anne Arundel | Annapolis, MD | +1-443995-SSSS |
| New Cingular Wireless PCS - DC | Baltimore | Catonsville, MD | +1-443996-SSSS |
| Verizon Maryland | Baltimore City | Baltimore, MD | +1-443997-SSSS |
| Verizon Maryland | Baltimore | Parkville, MD | +1-443998-SSSS |
