Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 332

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-332 A Crofton MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-332 0 Crofton MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-332 1 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-12   
443-332 2 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-08-30   
443-332 3 Crofton MD   876D ONVOY, LLC - MD 238   2024-03-03   
443-332 4 Crofton MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2002-07-12   
443-332 5 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-08-30   
443-332 6 Crofton MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-03-28   
443-332 7 Crofton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-04-29   
443-332 8 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-29   
443-332 9 Crofton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-04-29   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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