Local Calling Guide
Area code/prefix search
NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]
NXX: 815
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
603-815 | A | Durham | NH | MNCHNHCOX1Y | 8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH | 122 | |||
603-815 | 0 | Durham | NH | MNCHNHCOX1Y | 8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH | 122 | |||
603-815 | 1 | Durham | NH | MNCHNHACAMD | 6386 BELL ATLANTIC MOBILE, INC | 122 | |||
603-815 | 2 | Durham | NH | MNCHNHACAMD | 6386 BELL ATLANTIC MOBILE, INC | 122 | |||
603-815 | 4 | Durham | NH | MNCHNHIE6MD | 318J COMCAST IP PHONE, LLC | 122 | |||
603-815 | 8 | Durham | NH | MNCHNHACAMD | 6386 BELL ATLANTIC MOBILE, INC | 122 | |||
603-815 | 9 | Durham | NH | MNCHNHCO23Z | 073H TELNYX LLC | 122 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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