Local Calling Guide
Area code/prefix search
Frederick, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
240-529
| 6 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2006-01-06 |
|
240-529
| 7 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2006-02-04 |
|
240-529
| 8 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2006-02-05 |
|
240-529
| 9 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2006-07-02 |
|
240-549
| A |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
240-549
| 0 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2016-07-14 |
|
240-549
| 1 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2016-12-09 |
|
240-549
| 2 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2016-12-22 |
|
240-549
| 3 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2017-07-28 |
|
240-549
| 4 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2016-08-03 |
|
240-549
| 5 |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2017-11-11 |
|
240-549
| 6 |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2017-11-11 |
|
240-549
| 7 |
FRDRMDFRIMD |
551G NUSO, LLC |
240 |
|
2018-02-28 |
|
240-549
| 8 |
HGTWMD53DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2018-03-09 |
|
240-549
| 9 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2016-05-14 |
|
240-566
| A |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
240-566
| 0 |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2002-07-26 |
|
240-566
| 1 |
FRDRMDFRPMD |
2589 US LEC OF MARYLAND, INC. |
240 |
|
2006-02-10 |
|
240-566
| 2 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2006-09-01 |
|
240-566
| 3 |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2002-10-01 |
|
240-566
| 4 |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2002-10-01 |
|
240-566
| 5 |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2006-09-05 |
|
240-566
| 6 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2008-06-05 |
|
240-566
| 7 |
MRBGWVBUHPA |
4095 FIBERNET, LLC - WV |
240 |
|
2008-09-01 |
|
240-566
| 8 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2006-06-02 |
|
240-566
| 9 |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2002-07-26 |
|
240-575
| A |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
|
|
240-575
| 0 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2007-06-16 |
|
240-575
| 1 |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2007-07-03 |
|
240-575
| 2 |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2007-07-27 |
|
240-575
| 3 |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2007-07-27 |
|
240-575
| 4 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2008-04-04 |
|
240-575
| 5 |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2006-02-20 |
|
240-575
| 6 |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2006-02-20 |
|
240-575
| 7 |
FRDRMDFRPMD |
2589 US LEC OF MARYLAND, INC. |
240 |
|
2008-04-20 |
|
240-575
| 8 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2007-08-20 |
|
240-575
| 9 |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2008-03-19 |
|
240-578
| A |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
240-578
| 0 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2011-09-05 |
|
240-578
| 1 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2011-10-02 |
|
240-578
| 2 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2012-06-03 |
|
240-578
| 3 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2013-05-01 |
|
240-578
| 4 |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2014-01-14 |
|
240-578
| 5 |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2014-04-01 |
|
240-578
| 6 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2011-10-11 |
|
240-578
| 7 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2011-10-11 |
|
240-578
| 8 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2011-10-11 |
|
240-578
| 9 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2011-10-11 |
|
240-586
| A |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
240-586
| 0 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2007-11-16 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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