Local Calling Guide
Area code/prefix search
NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]
NXX: 423
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
410-423 | A | Columbia | MD | BLTMMDFMDS0 | 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD | 238 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
Sponsored by: FiberConX Communications Ltd.
Like this site? We accept donations via PayPal.