Local Calling Guide
Area code/prefix search
NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]
NXX: 520
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
603-520 | A | Laconia | NH | MNCHNHACAMD | 6386 BELL ATLANTIC MOBILE, INC | 122 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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