Local Calling Guide
Area code/prefix search
NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]
NXX: 255
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
603-255 | A | Manchester | NH | MNCHNHCOY0X | 425J CSC WIRELESS, LLC | 122 | |||
603-255 | 0 | Manchester | NH | DOVRNHTHGMD | 624H ONVOY SPECTRUM, LLC | 122 | |||
603-255 | 1 | Manchester | NH | DOVRNHTHGMD | 624H ONVOY SPECTRUM, LLC | 122 | |||
603-255 | 2 | Manchester | NH | MNCHNHCOY0X | 425J CSC WIRELESS, LLC | 122 | |||
603-255 | 3 | Manchester | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 | |||
603-255 | 4 | Manchester | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 | |||
603-255 | 5 | Manchester | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 | |||
603-255 | 6 | Manchester | NH | DOVRNHTHXEX | 8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH | 122 | |||
603-255 | 7 | Manchester | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 | |||
603-255 | 8 | Manchester | NH | MNCHNHCOX9Z | 637E ONVOY, LLC - NH | 122 | |||
603-255 | 9 | Manchester | NH | DOVRNHTHXJX | 478J NUSO, LLC | 122 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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