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 |
301-360
| 9 |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-378
| A |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
|
|
301-378
| 0 |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2007-04-06 |
|
301-378
| 1 |
FRDRMDFRPMD |
2589 US LEC OF MARYLAND, INC. |
240 |
|
2011-03-04 |
|
301-378
| 2 |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2009-08-13 |
|
301-378
| 3 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2011-07-08 |
|
301-378
| 4 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2011-07-08 |
|
301-378
| 5 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2022-11-07 |
|
301-378
| 6 |
HGTWMD53BMD |
145J TERRA NOVA TELECOM INC. |
240 |
|
2022-11-07 |
|
301-378
| 7 |
FRDRMDFRXAX |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
240 |
|
2012-09-10 |
|
301-378
| 8 |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2012-11-03 |
|
301-378
| 9 |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2013-05-12 |
|
301-401
| A |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
301-418
| A |
FRDRMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-418
| 0 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2003-10-11 |
|
301-418
| 1 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2003-10-11 |
|
301-418
| 2 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2003-10-11 |
|
301-418
| 3 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-01-31 |
|
301-418
| 4 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-01-31 |
|
301-418
| 5 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-06-10 |
|
301-418
| 6 |
MRBGWVBUHPA |
4095 FIBERNET, LLC - WV |
240 |
|
2004-04-07 |
|
301-418
| 7 |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2004-08-23 |
|
301-418
| 8 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-09-13 |
|
301-418
| 9 |
FRDRMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2003-01-11 |
|
301-471
| A |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
301-473
| A |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-473
| 0 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2007-12-13 |
|
301-473
| 1 |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2007-12-13 |
|
301-473
| 2 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2007-01-25 |
|
301-473
| 3 |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2007-01-25 |
|
301-473
| 4 |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-473
| 5 |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-473
| 6 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2007-12-13 |
|
301-473
| 7 |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-473
| 8 |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-473
| 9 |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-514
| A |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
301-524
| A |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2024-02-09 |
|
301-524
| 0 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 1 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 2 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 3 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 4 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 5 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 6 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 7 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 8 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-524
| 9 |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-600
| A |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-600
| 0 |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2006-08-27 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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