Local Calling Guide
Area code/prefix search
NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]
NXX: 221
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
650-221 | A | South San Francisco | CA | 0051 SHELCOMM | 722 | 2024-11-03 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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