Prefix 510-621
Area Code 510 Details
County: SAN FRANCISCO
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 621 | 8 | SAN FRANCISCO | 37.78390000 | -122.38900000 | L | 1996-10-15 00:00:00 | 94105 | 6075 | 722 | MCIMETRO ACCESS TRANSMISSION SERVICES, LLC | RICHMOND | 7229 | SAN FRANCISCO |
Phone Numbers
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