Area Code Information
| Area Code: | 240 |
| State: | Maryland |
| Primary City: | Germantown, Maryland |
| Time Zone: | Eastern |
Area code 240 serves the Germantown, Maryland region in Maryland. This area code is in the Eastern time zone.
Browse Prefixes
Click on any prefix to browse phone numbers in that exchange:
240-200
240-201
240-202
240-203
240-204
240-205
240-206
240-207
240-208
240-209
240-210
240-211
240-212
240-213
240-214
240-215
240-216
240-217
240-218
240-219
240-220
240-221
240-222
240-223
240-224
240-225
240-226
240-227
240-228
240-229
Showing sample prefixes. All prefixes from 200-999 are available.