Local Calling Guide
Area code/prefix search
NPA: 227 [Rate centres in NPA 227] [Dial plan for NPA 227]
NXX: 770
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
227-770 | A | Washington Zone 11 | MD | 624H ONVOY SPECTRUM, LLC | 236 | 2025-01-02 | |||
227-770 | 7 | Washington Zone 11 | MD | 624H ONVOY SPECTRUM, LLC | 236 | ||||
227-770 | 8 | Washington Zone 11 | MD | 624H ONVOY SPECTRUM, LLC | 236 | ||||
227-770 | 9 | Washington Zone 11 | MD | 624H ONVOY SPECTRUM, LLC | 236 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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