Local Calling Guide
Area code/prefix search
NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]
NXX: 421
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
817-421 | A | Grapevine | TX | GRPVTXXADS0 | 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 552 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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