Local Calling Guide
Area code/prefix search
Fallston, MD
1 2 3 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 410-459
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 410-688
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 410-808
| A |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 0 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 1 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 2 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 3 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 4 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 5 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 6 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 7 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 8 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-808
| 9 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 410-877
| A |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-877
| 0 |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-877
| 1 |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-877
| 2 |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-877
| 3 |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-877
| 4 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-08-07 |
|
| 410-877
| 5 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-08-07 |
|
| 410-877
| 6 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-03-03 |
|
| 410-877
| 7 |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-877
| 8 |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-877
| 9 |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-937
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 443-243
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 443-299
| A |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 443-299
| 0 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2025-06-25 |
|
| 443-299
| 1 |
|
876D ONVOY, LLC - MD |
238 |
|
2025-10-12 |
|
| 443-299
| 2 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2004-11-04 |
|
| 443-299
| 3 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-01-27 |
|
| 443-299
| 4 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2025-05-16 |
|
| 443-299
| 5 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2024-07-07 |
|
| 443-299
| 6 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2005-03-10 |
|
| 443-299
| 7 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-01-02 |
|
| 443-299
| 8 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-01-02 |
|
| 443-299
| 9 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-01-02 |
|
| 443-417
| A |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 443-417
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2003-11-03 |
|
| 443-417
| 1 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-08-13 |
|
| 443-417
| 2 |
|
829J PAETEC ITEL, LLC |
238 |
|
2003-04-01 |
|
| 443-417
| 3 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2003-11-03 |
|
| 443-417
| 4 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2003-08-19 |
|
| 443-417
| 5 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2003-08-03 |
|
| 443-417
| 6 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2003-03-08 |
|
| 443-417
| 7 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2003-01-08 |
|
| 443-417
| 8 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2003-07-05 |
|
| 443-417
| 9 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 443-504
| A |
|
829J PAETEC ITEL, LLC |
238 |
|
2025-04-01 |
|
| 443-504
| 0 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
1 2 3 >>
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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