Local Calling Guide
Area code/prefix search
NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]
NXX: 593
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
313-593 | A | Detroit Zone 6 | MI | DRBRMIFBDS0 | 9323 AMERITECH MICHIGAN | 340 |
Last updated: Sun, 07 Feb 2021 01:52:50 UTC
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