Local Calling Guide
Area code/prefix search
NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]
NXX: 484
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
301-484 | A | Washington Zone 4 | MD | ARTNVAARXDY | 318J COMCAST IP PHONE, LLC | 236 |
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
Sponsored by: Execulink Telecom
Like this site? We accept donations via PayPal.