Local Calling Guide
Area code/prefix search
NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]
NXX: 607
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
603-607 | A | West Chesterfield | NH | DOVRNHTHXJX | 478J NUSO, LLC | 122 | |||
603-607 | 1 | West Chesterfield | NH | DOVRNHTHXJX | 478J NUSO, LLC | 122 | |||
603-607 | 2 | West Chesterfield | NH | DOVRNHTHXEX | 8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH | 122 | |||
603-607 | 5 | West Chesterfield | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 | |||
603-607 | 6 | West Chesterfield | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 | |||
603-607 | 7 | West Chesterfield | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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