Local Calling Guide
Area code/prefix search
Ellicott City, MD
<< 1 2 3 4 5 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
410-720
| A |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 0 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 1 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 2 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-07-30 |
|
410-720
| 3 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 4 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 5 |
CLMAMDOBDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 6 |
CLMAMDOBDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 7 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 8 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-720
| 9 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2007-08-20 |
|
410-748
| A |
HNVAMDAE3MD |
6630 USA MOBILITY WIRELESS, INC. |
238 |
|
|
|
410-750
| A |
ELCYMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-781
| A |
SYVLMDSKDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-781
| 0 |
SYVLMDSKDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-781
| 1 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-10 |
|
410-781
| 2 |
BLTMMDCH25Z |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
238 |
|
2006-05-04 |
|
410-781
| 3 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-13 |
|
410-781
| 4 |
SYVLMDSKDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-781
| 5 |
BLTQMD012MD |
964H BARR TELL USA, INC. |
238 |
|
2016-12-17 |
|
410-781
| 6 |
SYVLMDSKDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-781
| 7 |
SYVLMDSKDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-781
| 8 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2008-04-16 |
|
410-781
| 9 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2024-02-15 |
|
410-988
| A |
CLVLMDCERP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2024-01-30 |
|
410-988
| 0 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2008-07-26 |
|
410-988
| 1 |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
2005-03-10 |
|
410-988
| 2 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-09-10 |
|
410-988
| 3 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-09-10 |
|
410-988
| 4 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-09-10 |
|
410-988
| 5 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2006-10-21 |
|
410-988
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-09-03 |
|
410-988
| 7 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2008-07-26 |
|
410-988
| 8 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2015-11-25 |
|
410-988
| 9 |
CLVLMDCERP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-995
| A |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-995
| 0 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-995
| 1 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-995
| 2 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-995
| 3 |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-995
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-30 |
|
410-995
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-30 |
|
410-995
| 6 |
CLMAMDOBDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-995
| 7 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2016-09-08 |
|
410-995
| 8 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-05-22 |
|
410-995
| 9 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-27 |
|
443-288
| A |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-288
| 0 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-288
| 1 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-288
| 2 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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