Local Calling Guide
Area code/prefix search
Baltimore, MD
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NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-845
| 9 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-850
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-853
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-853
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-09-24 |
|
443-853
| 1 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2011-01-10 |
|
443-853
| 2 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2010-10-15 |
|
443-853
| 3 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2010-10-15 |
|
443-853
| 4 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2010-10-20 |
|
443-853
| 5 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2010-10-20 |
|
443-853
| 6 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2010-10-20 |
|
443-853
| 7 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2010-10-20 |
|
443-853
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2018-12-13 |
|
443-853
| 9 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2018-12-13 |
|
443-854
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-857
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-858
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-863
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-863
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-10-07 |
|
443-863
| 1 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2010-10-20 |
|
443-863
| 2 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2010-10-20 |
|
443-863
| 3 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2010-10-20 |
|
443-863
| 4 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2010-11-29 |
|
443-863
| 5 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2010-11-29 |
|
443-863
| 6 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2010-11-29 |
|
443-863
| 7 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2011-01-10 |
|
443-863
| 8 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-01-27 |
|
443-863
| 9 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-01-27 |
|
443-865
| A |
BLTMMDCH40Z |
6664 SPRINT SPECTRUM, L.P. |
238 |
|
|
|
443-865
| 0 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-865
| 1 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-865
| 2 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-865
| 3 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-865
| 4 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-865
| 5 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-865
| 6 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-865
| 7 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-865
| 8 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-865
| 9 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-869
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-869
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-08-05 |
|
443-869
| 1 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-08-07 |
|
443-869
| 2 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2006-10-07 |
|
443-869
| 3 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2006-10-07 |
|
443-869
| 4 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2006-10-07 |
|
443-869
| 5 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2006-10-07 |
|
443-869
| 6 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2009-09-10 |
|
443-872
| A |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-872
| 0 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-872
| 1 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-02-04 |
|
443-872
| 2 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
2003-09-22 |
|
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Last updated: Sat, 01 Jun 2024 11:59:14 UTC
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