Local Calling Guide
Area code/prefix search
Sparks-Glencoe, MD
1 2 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
410-343
| A |
PKTNMDPKRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-343
| 0 |
PKTNMDPKRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-343
| 1 |
PKTNMDPKRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-343
| 2 |
PKTNMDPKRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-343
| 3 |
PKTNMDPKRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-343
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-31 |
|
410-343
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2004-04-02 |
|
410-343
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-30 |
|
410-343
| 7 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-03-05 |
|
410-343
| 8 |
BLTMMDCHAMD |
1958 ATX TELECOMMUNICATIONS SERVICES, LTD. |
238 |
|
2006-01-31 |
|
410-343
| 9 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
410-472
| A |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-472
| 0 |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-472
| 1 |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-472
| 2 |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-472
| 3 |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-472
| 4 |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-472
| 5 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2011-04-03 |
|
410-472
| 6 |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-472
| 7 |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-472
| 8 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-30 |
|
410-472
| 9 |
MANRMDMNRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-212
| A |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
443-212
| 1 |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2003-03-29 |
|
443-212
| 2 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-01-28 |
|
443-212
| 3 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-03-04 |
|
443-212
| 4 |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2004-09-28 |
|
443-212
| 5 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2005-03-10 |
|
443-212
| 7 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2008-07-01 |
|
443-212
| 8 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-02-22 |
|
443-212
| 9 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-05-21 |
|
443-338
| A |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-338
| 0 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-06-07 |
|
443-338
| 1 |
|
515J IP HORIZON LLC |
238 |
|
2015-03-21 |
|
443-338
| 2 |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-338
| 3 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-07-06 |
|
443-338
| 4 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2015-08-06 |
|
443-338
| 5 |
|
515J IP HORIZON LLC |
238 |
|
2016-05-31 |
|
443-338
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2017-02-27 |
|
443-338
| 7 |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2014-06-25 |
|
443-338
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-26 |
|
443-338
| 9 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-26 |
|
443-595
| A |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-595
| 0 |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-595
| 1 |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-595
| 3 |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
2006-07-01 |
|
443-595
| 4 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-09-28 |
|
443-595
| 5 |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL, INC. |
238 |
|
2020-12-26 |
|
443-595
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-02-18 |
|
443-595
| 7 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-05-20 |
|
1 2 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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