Local Calling Guide
Area code/prefix search
Randallstown, MD
<< 1 2 3 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-431
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-07-31 |
|
443-431
| 3 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2017-11-24 |
|
443-431
| 4 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2017-11-24 |
|
443-431
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-431
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-431
| 7 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-431
| 8 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2018-10-19 |
|
443-431
| 9 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-08-27 |
|
443-565
| A |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-565
| 0 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-565
| 1 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-565
| 2 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-10-09 |
|
443-565
| 3 |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL, INC. |
238 |
|
2020-12-26 |
|
443-565
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-04-28 |
|
443-565
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-04-28 |
|
443-565
| 7 |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2014-06-25 |
|
443-565
| 8 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2021-03-24 |
|
443-565
| 9 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-576
| A |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-576
| 0 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-576
| 1 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-576
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-14 |
|
443-576
| 3 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2008-10-01 |
|
443-576
| 4 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-576
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-14 |
|
443-576
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-06-26 |
|
443-576
| 8 |
|
515J IP HORIZON LLC |
238 |
|
2016-01-04 |
|
443-576
| 9 |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-25 |
|
443-657
| A |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
443-657
| 0 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2014-11-08 |
|
443-657
| 1 |
|
515J IP HORIZON LLC |
238 |
|
2016-10-14 |
|
443-657
| 2 |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
443-657
| 3 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2014-11-08 |
|
443-657
| 6 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2024-02-15 |
|
443-657
| 7 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2015-11-14 |
|
443-657
| 8 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-29 |
|
443-657
| 9 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-29 |
|
443-675
| A |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-675
| 0 |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-675
| 1 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2020-06-11 |
|
443-675
| 2 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-09-19 |
|
443-675
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-10-23 |
|
443-675
| 5 |
BLTQMD012MD |
964H BARR TELL USA, INC. |
238 |
|
2016-12-17 |
|
443-675
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-06-02 |
|
443-675
| 7 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-06-02 |
|
443-675
| 8 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-02-04 |
|
443-675
| 9 |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-985
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-985
| 0 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-985
| 1 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
<< 1 2 3 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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