Local calling guide: NPA-NXX search

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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	Eff date
443-415	7	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-415	8	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-415	9	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	A	Baltimore	MD		6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	0	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	1	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	2	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	3	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	4	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	5	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	6	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	7	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	8	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-416	9	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-417	A	Fallston	MD	BLTMMDFMDS0	7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD	238
443-417	0	Fallston	MD	BLTOMDKHBMD	6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	238	2003-11-03
443-417	1	Fallston	MD	BLTMMDSN6MD	6119 LEVEL 3 COMMUNICATIONS, LLC - MD	238	2008-08-13
443-417	2	Fallston	MD	CLMAMDJTAMD	2589 US LEC OF MARYLAND, INC.	238	2003-04-01
443-417	3	Fallston	MD	BLTOMDKHBMD	6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	238	2003-11-03
443-417	4	Fallston	MD	BLTOMDKHBMD	6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	238	2003-08-19
443-417	5	Fallston	MD	BLTOMDKHBMD	6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	238	2003-08-03
443-417	6	Fallston	MD	BLTOMDKHBMD	6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	238	2003-03-08
443-417	7	Fallston	MD	BLTOMDKHBMD	6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	238	2003-01-08
443-417	8	Fallston	MD	BLTOMDKHBMD	6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	238	2003-07-05
443-417	9	Fallston	MD	BLTMMDFMDS0	7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD	238
443-418	A	Baltimore	MD		6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	0	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	1	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	2	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	3	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	4	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	5	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	6	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	7	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	8	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-418	9	Baltimore	MD	BLTMMDCH40Z	6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	238
443-419	A	Glenwood	MD	HNVAMDBHAMD	3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD	238
443-419	0	Glenwood	MD	HNVAMDBHAMD	3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD	238
443-419	1	Glenwood	MD	CLMAMDJTAMD	2589 US LEC OF MARYLAND, INC.	238	2004-03-09
443-419	2	Glenwood	MD		2593 CORE COMMUNICATIONS, INC.- MD	238	2004-03-29
443-419	3	Glenwood	MD	BLTMMDCH14Z	2697 CTC COMMUNICATIONS CORP. - MD	238	2006-04-24
443-419	4	Glenwood	MD		876D ONVOY, LLC - MD	238	2024-03-03
443-419	5	Glenwood	MD	BLTMMDCHXFX	318J COMCAST IP PHONE, LLC	238	2015-04-20
443-419	6	Glenwood	MD	BLTMMDCH42Z	876D ONVOY, LLC - MD	238	2016-04-04
443-419	7	Glenwood	MD	BLTMMDCH42Z	876D ONVOY, LLC - MD	238	2016-04-04
443-419	8	Glenwood	MD	BLTMMDCH25Z	8697 BALTIMORE-WASHINGTON TELEPHONE (BWT)	238	2015-06-11
443-419	9	Glenwood	MD		515J IP HORIZON LLC	238	2015-03-21
443-420	A	Ellicott City	MD	BLTOMDXIDS0	6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD	238
443-420	0	Ellicott City	MD	BLTOMDXIDS0	6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD	238
443-420	1	Ellicott City	MD	BLTOMDXIDS0	6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD	238

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

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