Local Calling Guide
Area code/prefix search
NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]
NXX: 604
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
443-604 | A | Baltimore | MD | BLTOMDKHBMD | 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 238 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.