Prefix 301-820
Area Code 301 Details
County: MONTGOMERY
| Code | Other Cities | Timezone | County | Latitude | Longitude | Daylight Saving Time | Connection Type | NXX Created At | Zip Code | Fips | Lata | Carrier | Overlay | Rate Center | Ocn | Coverage Area | Active |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 820 | 5 | MONTGOMERY | 39.14310000 | -77.20310000 | L | 1998-11-20 00:00:00 | 20877 | 24031 | 236 | AT&T LOCAL | GAITHERSBG | 7421 | GAITHERSBURG |
Phone Numbers
| Phone Number | Score | Updated At |
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