Prefix 301-637
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 637 | 5 | MONTGOMERY | 39.08670000 | -77.16000000 | L | 1998-08-14 00:00:00 | 20855 | 24031 | 236 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSNGTNZN10 | 6119 | ROCKVILLE |
Phone Numbers
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