| General Information | |
|---|---|
| Country | United States |
| State/Province | Maryland |
| Major City | Baltimore |
| Time Zone | Eastern (UTC-05:00) |
| Current Local Time | 20:02 |
| Prefix | County | Primary City |
|---|---|---|
| 667-203 | Baltimore City | Baltimore |
| 667-205 | Baltimore City | Baltimore |
| 667-206 | Baltimore | Towson |
| 667-207 | Baltimore City | Baltimore |
| 667-208 | Baltimore City | Baltimore |
| 667-209 | Baltimore City | Baltimore |
| 667-210 | Baltimore City | Baltimore |
| 667-212 | Baltimore City | Baltimore |
| 667-213 | Baltimore City | Baltimore |
| 667-214 | Baltimore City | Baltimore |
| 667-216 | Baltimore City | Baltimore |
| 667-217 | Baltimore City | Baltimore |
| 667-218 | Baltimore City | Baltimore |
| 667-219 | Baltimore City | Baltimore |
| 667-222 | - | - |
| 667-224 | Baltimore City | Baltimore |
| 667-225 | Anne Arundel | Annapolis |
| 667-228 | Harford | Aberdeen Proving Ground |
| 667-231 | Harford | Aberdeen Proving Ground |
| 667-233 | Baltimore City | Baltimore |
| 667-234 | Baltimore City | Baltimore |
| 667-239 | Baltimore City | Baltimore |
| 667-251 | Baltimore City | Baltimore |
| 667-253 | Wicomico | Salisbury |
| 667-260 | Baltimore City | Baltimore |
| 667-303 | Baltimore City | Baltimore |
| 667-305 | Baltimore | Gwynn Oak |
| 667-307 | Anne Arundel | Crofton |
| 667-308 | Baltimore City | Baltimore |
| 667-309 | Baltimore City | Baltimore |
| 667-312 | Baltimore City | Baltimore |
| 667-330 | Wicomico | Salisbury |
| 667-333 | Baltimore City | Baltimore |
| 667-367 | Carroll | Westminster |
| 667-401 | Baltimore City | Baltimore |
| 667-444 | Baltimore City | Baltimore City |
| 667-600 | Baltimore City | Baltimore City |
| 667-677 | Baltimore City | Baltimore |
| 667-770 | Baltimore City | Baltimore City |
| 667-777 | Anne Arundel | Severna Park |
| 667-802 | Baltimore | Catonsville |
| 667-803 | Calvert | Solomons |
| 667-812 | - | - |
| 667-888 | Baltimore City | Baltimore |
| 667-930 | Baltimore City | Baltimore |
| 667-999 | Baltimore City | Baltimore |
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