Cities in area code 443
These are the cities and communities covered by 443 in Maryland. "Covered" means the locality is a rate center holding 443 prefixes; the largest are Baltimore, Annapolis, Towson.
Baltimore, Annapolis, Towson, Columbia, Glen Burnie, Catonsville, Pikesville and Salisbury hold the largest prefix inventories; and 72 smaller communities down to single-prefix localities. Each locality below links to its rate-center page with the full prefix list.
63 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.
81 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.
All of the code's territory keeps Eastern time.
Remember that people keep numbers when they relocate, so a 443 number is a where-it-was-issued fact, not a where-they-are fact.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Baltimore | 185 | Baltimore-Columbia-Towson, MD | 301, 410, 443, 667 |
| Annapolis | 39 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Towson | 33 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Columbia | 31 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Glen Burnie | 26 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Catonsville | 22 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Pikesville | 21 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Salisbury | 20 | — | 410, 443, 667 |
| Bel Air | 19 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Westminster | 15 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Aberdeen | 15 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Elkton | 14 | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 410, 443, 667 |
| Parkville | 14 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Essex | 14 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Cockeysville | 14 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Woodlawn | 13 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Dundalk | 10 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Severna Park | 10 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Fallston | 10 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Arbutus | 10 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Easton | 9 | — | 410, 443, 667 |
| Randallstown | 9 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Severn | 9 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Sykesville | 9 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Ellicott City | 9 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Prince Frederick | 9 | (Washington-Arlington-Alexandria, DC-VA-MD-WV Metroploitan Statistical Area) | 410, 443, 667 |
| Edgewood | 9 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Elkridge | 9 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Reisterstown | 8 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Waterloo 238 | 8 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Armiger-gibson Island | 8 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Cambridge | 7 | — | 410, 443, 667 |
| Brooklyn Park Linthicum | 7 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Chase | 6 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Sparrows Point | 6 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Waterloo 236 | 6 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Odenton | 5 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| North East | 5 | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 410, 443, 667 |
| Fork | 5 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Hampstead | 5 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| West River | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Perryville | 4 | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 410, 443, 667 |
| Havre De Grace | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Sparks Glencoe | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Chestertown | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Worthington | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Cardiff | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| North Beach | 4 | (Washington-Arlington-Alexandria, DC-VA-MD-WV Metroploitan Statistical Area) | 410, 443, 667 |
| Crofton | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Millersville | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Delmar | 4 | — | 410, 443, 667 |
| Churchville | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Jarrettsville | 4 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Port Deposit | 3 | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 410, 443, 667 |
| Parkton | 3 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Glenwood | 3 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Taneytown | 3 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 410, 443, 667 |
| Silver Run | 3 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Ocean City | 3 | — | 410, 443, 667 |
| New Windsor | 3 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 410, 443, 667 |
| Union Bridge | 2 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 410, 443, 667 |
| Centreville | 2 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Darlington | 2 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Sherwood Forest | 2 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Solomons | 2 | (Washington-Arlington-Alexandria, DC-VA-MD-WV Metroploitan Statistical Area) | 410, 443, 667 |
| Pocomoke | 2 | — | 410, 443, 667 |
| Princess Anne | 2 | — | 410, 443, 667 |
| Berlin | 2 | — | 410, 443, 667 |
| Willards | 1 | — | 410, 443, 667 |
| Vienna | 1 | — | 410, 443, 667 |
| Snow Hill | 1 | — | 410, 443, 667 |
| Stevensville | 1 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Sharptown | 1 | — | 410, 443, 667 |
| Federalsburg | 1 | — | 410, 443, 667 |
| Trappe | 1 | — | 410, 443, 667 |
| Queenstown | 1 | Baltimore-Columbia-Towson, MD | 410, 443, 667 |
| Denton | 1 | — | 410, 443, 667 |
| Chesapeake City | 1 | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 410, 443, 667 |
| Nanticoke | 1 | — | 410, 443, 667 |
| Crisfield | 1 | — | 410, 443, 667 |
| Bishopville | 1 | — | 410, 443, 667 |
FAQ
What is the biggest city in area code 443?
Baltimore holds the most active prefixes (185), making it the code's largest numbering locality.
How many places does 443 cover?
81 rate centers in Maryland hold active 443 prefixes, from Baltimore down to communities with a single prefix.
Does a 443 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.