| Information | |
|---|---|
| Area Code(NPA) | 301 - Rockville, MD |
| Prefix(NXX) | 301-340 |
| Full Number | 301-340-7428 |
| International Number | +1 301 340 7428 |
| Location | Montgomery |
| State/Province | Maryland |
| Country | United States |
| Service Provider | Verizon Maryland |
| Type | Landline |
| Introduced | 02/04/1994 |
| Major City | Baltimore |
| Major citys in the area | Aspen Hill, MD;Bethesda, MD;Bowie, MD;Chillum, MD; |
| ZIP Code | 20851 |
| Time Zone | Eastern (UTC-05:00) |
| Location Details | |
|---|---|
| Numbers | Primary City | County | Phone Type |
|---|---|---|---|
| 301-340-0188 | Rockville, MD | Montgomery | Landline |
| 301-340-1961 | Rockville, MD | Montgomery | Landline |
| 301-340-7699 | Rockville, MD | Montgomery | Landline |
| 301-340-6913 | Rockville, MD | Montgomery | Landline |
| 301-340-5273 | Rockville, MD | Montgomery | Landline |
| 301-340-2913 | Rockville, MD | Montgomery | Landline |
| 301-340-4338 | Rockville, MD | Montgomery | Landline |
| 301-340-4903 | Rockville, MD | Montgomery | Landline |
| 301-340-6155 | Rockville, MD | Montgomery | Landline |
| 301-340-6350 | Rockville, MD | Montgomery | Landline |