Local Calling Guide
Area code/prefix search
NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]
NXX: 499
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
580-499 | A | Mangum | OK | OKCYOKCEXOY | 530C TELEPORT COMMUNICATIONS AMERICA OK - LLC | 536 | |||
580-499 | 6 | Mangum | OK | OKCYOKCEXOY | 530C TELEPORT COMMUNICATIONS AMERICA OK - LLC | 536 | 2022-04-07 | ||
580-499 | 9 | Mangum | OK | OKCYOKCEXMZ | 145J TERRA NOVA TELECOM INC. | 536 | 2023-08-10 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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