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 |
410-203
| A |
ELCYMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-313
| A |
ELCYMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-418
| A |
ELCYMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| A |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 0 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 1 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 2 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 3 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 4 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 5 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-05-22 |
|
410-442
| 7 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 8 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-442
| 9 |
GLWDMDGDRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-461
| A |
ELCYMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-465
| A |
ELCYMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-480
| A |
ELCYMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-505
| A |
CLMAMDOBDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-505
| 0 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2015-10-15 |
|
410-505
| 1 |
BLTMMDCH08Z |
4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD |
238 |
|
2004-02-14 |
|
410-505
| 2 |
CLMAMDOBDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2003-03-06 |
|
410-505
| 3 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2004-03-29 |
|
410-505
| 4 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2003-02-20 |
|
410-505
| 5 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2002-07-21 |
|
410-505
| 6 |
CLMAMDOBDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-505
| 7 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2020-02-26 |
|
410-505
| 8 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2004-11-22 |
|
410-505
| 9 |
BLTMMDCHAMD |
1958 ATX TELECOMMUNICATIONS SERVICES, LTD. |
238 |
|
2004-03-27 |
|
410-680
| A |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-680
| 0 |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-680
| 1 |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-680
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-02-15 |
|
410-680
| 3 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-02-15 |
|
410-680
| 4 |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-680
| 5 |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-680
| 6 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-10-05 |
|
410-680
| 7 |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-680
| 8 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2012-11-26 |
|
410-680
| 9 |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-696
| A |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
410-696
| 0 |
|
515J IP HORIZON LLC |
238 |
|
2016-05-31 |
|
410-696
| 1 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
410-696
| 2 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2005-03-10 |
|
410-696
| 3 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2005-07-03 |
|
410-696
| 4 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2009-10-09 |
|
410-696
| 5 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-02-13 |
|
410-696
| 6 |
BLTMMD91DS2 |
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
238 |
|
2016-01-19 |
|
410-696
| 7 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-05-16 |
|
410-696
| 8 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-02-11 |
|
410-696
| 9 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
1 2 3 4 5 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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