Local Calling Guide
Area code/prefix search
Waterloo, MD
NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|
667-374 | 8 | BLTMMDCHXUX | 624H ONVOY SPECTRUM, LLC | 238 | 2022-02-11 | ||
667-374 | 9 | BLTMMDCHXUX | 624H ONVOY SPECTRUM, LLC | 238 | 2022-02-11 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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