Local Calling Guide
Area code/prefix search
West River, MD
1 2 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
410-741
| A |
NRBHMDNE741 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-741
| 0 |
NRBHMDNE741 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-741
| 1 |
NRBHMDNE741 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-741
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2004-04-02 |
|
410-741
| 3 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2004-07-11 |
|
410-741
| 4 |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
2013-01-11 |
|
410-741
| 5 |
NRBHMDNEDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-741
| 6 |
NRBHMDNE741 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-741
| 7 |
BLTMMDCH25Z |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
238 |
|
2015-06-20 |
|
410-741
| 8 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2006-07-31 |
|
410-741
| 9 |
NRBHMDNE741 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-798
| A |
MAYOMDMYRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| A |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 0 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 1 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 2 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 3 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 4 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 5 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2006-07-01 |
|
410-867
| 6 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 7 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 8 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-867
| 9 |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-203
| A |
MAYOMDMYRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-203
| 0 |
MAYOMDMYRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-203
| 1 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-04-03 |
|
443-203
| 2 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2008-06-20 |
|
443-203
| 3 |
BLTMMDSNDS5 |
4773 XO MARYLAND, LLC |
238 |
|
2007-04-20 |
|
443-203
| 4 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2003-08-20 |
|
443-203
| 5 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-03-31 |
|
443-203
| 6 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2005-03-10 |
|
443-203
| 7 |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2014-06-25 |
|
443-203
| 8 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-06-26 |
|
443-203
| 9 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-294
| A |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-294
| 0 |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-294
| 1 |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-294
| 2 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-02-27 |
|
443-294
| 3 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-07-02 |
|
443-294
| 4 |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-294
| 5 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-03-25 |
|
443-294
| 6 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2013-07-19 |
|
443-294
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-08 |
|
443-294
| 8 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-294
| 9 |
|
515J IP HORIZON LLC |
238 |
|
2015-03-23 |
|
443-607
| A |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-607
| 0 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-607
| 1 |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2003-03-02 |
|
443-607
| 2 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-06-05 |
|
443-607
| 3 |
PIVLMDPKQMD |
9170 BROADVIEW NETWORKS, INC. - MD |
238 |
|
2014-07-21 |
|
1 2 >>
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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