| Information | |
|---|---|
| Area Code(NPA) | 301 - Gaithersburg, MD |
| Prefix(NXX) | 301-428 |
| Full Number | 301-428-1433 |
| International Number | +1 301 428 1433 |
| 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 | 20879 |
| Time Zone | Eastern (UTC-05:00) |
| Location Details | |
|---|---|
| Numbers | Primary City | County | Phone Type |
|---|---|---|---|
| 301-428-7817 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-2822 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-9135 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-6863 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-0168 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-0739 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-9127 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-2015 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-5515 | Gaithersburg, MD | Montgomery | Landline |
| 301-428-5961 | Gaithersburg, MD | Montgomery | Landline |