Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-433 7 Annapolis MD   4773 XO MARYLAND, LLC 238      
443-433 8 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-02   
443-433 9 Annapolis MD   6664 SPRINT SPECTRUM L.P. 238   2011-08-19   
443-434 A Federalsburg MD   073H TELNYX LLC 242      
443-434 0 Federalsburg MD   876D ONVOY, LLC - MD 242   2019-03-04   
443-434 1 Federalsburg MD   073H TELNYX LLC 242   2017-09-13   
443-434 2 Federalsburg MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
443-434 3 Federalsburg MD   318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-434 4 Federalsburg MD   876D ONVOY, LLC - MD 242   2017-04-13   
443-434 5 Federalsburg MD   318J COMCAST IP PHONE, LLC 242   2015-09-21   
443-434 6 Federalsburg MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2012-07-13   
443-434 7 Federalsburg MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
443-434 8 Federalsburg MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
443-434 9 Federalsburg MD   876D ONVOY, LLC - MD 242   2019-03-04   
443-435 A Baltimore MD HNVAMDAYCM2  6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 0 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 1 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 2 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 3 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 4 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 5 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 6 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 7 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 8 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-435 9 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-436 A Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
443-436 0 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-436 1 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-436 2 Woodlawn MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-05   
443-436 3 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-436 4 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-436 5 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-436 6 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-436 7 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-436 8 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-436 9 Woodlawn MD   9212 VERIZON MARYLAND, INC. 238      
443-437 A Pocomoke MD SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242      
443-437 0 Pocomoke MD   876D ONVOY, LLC - MD 242   2019-03-04   
443-437 1 Pocomoke MD   876D ONVOY, LLC - MD 242   2019-03-04   
443-437 2 Pocomoke MD   7421 AT&T LOCAL 242   2006-02-27   
443-437 3 Pocomoke MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2012-03-01   
443-437 4 Pocomoke MD   876D ONVOY, LLC - MD 242   2017-04-14   
443-437 5 Pocomoke MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2018-05-14   
443-437 6 Pocomoke MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2012-05-01   
443-437 7 Pocomoke MD   318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-437 8 Pocomoke MD   073H TELNYX LLC 242   2017-09-13   
443-437 9 Pocomoke MD   281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-438 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-12-14   
443-438 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-12-14   
443-438 1 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-01-11   

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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