Local Calling Guide
Area code/prefix search
NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]
NXX: 597
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
603-597 | A | Lyme | NH | MNCHNHACDS0 | 7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH | 122 | |||
603-597 | 0 | Lyme | NH | MNCHNHAC7MD | 145J TERRA NOVA TELECOM INC. | 122 | 2023-04-27 | ||
603-597 | 1 | Lyme | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 | 2023-08-20 | ||
603-597 | 2 | Lyme | NH | MNCHNHAC7MD | 145J TERRA NOVA TELECOM INC. | 122 | 2023-11-11 | ||
603-597 | 4 | Lyme | NH | 145J TERRA NOVA TELECOM INC. | 122 | 2021-05-27 | |||
603-597 | 9 | Lyme | NH | MNCHNHACDS0 | 7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH | 122 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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