Prefix 301-557
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 557 | 5 | MONTGOMERY | 39.01150000 | -77.04050000 | L | 2011-09-06 00:00:00 | 20902 | 24031 | 236 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSHNGTNZN3 | 6119 | SILVER SPRING |
Phone Numbers
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