Local Calling Guide
Area code/prefix search
NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]
NXX: 581
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
443-581 | A | Chase | MD | 876D ONVOY, LLC - MD | 238 | ||||
443-581 | 0 | Chase | MD | BLTMMDCH42Z | 876D ONVOY, LLC - MD | 238 | 2021-03-04 | ||
443-581 | 1 | Chase | MD | BLTMMDCH42Z | 876D ONVOY, LLC - MD | 238 | 2021-03-04 | ||
443-581 | 5 | Chase | MD | BLTMMDCHXUX | 624H ONVOY SPECTRUM, LLC | 238 | 2021-02-24 | ||
443-581 | 6 | Chase | MD | 2593 CORE COMMUNICATIONS, INC.- MD | 238 | 2019-07-30 | |||
443-581 | 7 | Chase | MD | 2593 CORE COMMUNICATIONS, INC.- MD | 238 | 2019-07-30 | |||
443-581 | 8 | Chase | MD | BLTMMDCH40Z | 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 238 | 2019-07-06 | ||
443-581 | 9 | Chase | MD | 2593 CORE COMMUNICATIONS, INC.- MD | 238 | 2019-04-30 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
Sponsored by: Execulink Telecom
Like this site? We accept donations via PayPal.