Local Calling Guide
Area code/prefix search
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NPA-NXX | BLOCK | Rate Centre | Region | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|
313-552 | A | Detroit Zone 1 | MI | 321J HD CARRIER LLC | 340 | |||
313-552 | 9 | Detroit Zone 1 | MI | 321J HD CARRIER LLC | 340 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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