Towson, MD — rate center
- State
- Maryland
- Active prefixes
- 96
- Carriers
- 16
- Pooled prefixes
- 62
- LATA
- 238
- Metro area
- Baltimore-Columbia-Towson, MD MSA
Towson is a telephone rate center in Maryland served by area codes 410, 443, 667. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.
96 central-office prefixes are currently anchored to this rate center, held by 16 different carriers. Pooling applies to 62 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area. Routing-wise it sits in LATA 238.
Because 410, 443, 667 all serve this territory, two Towson numbers can look completely different while being neighbors — check the prefix, not just the area code.
Treat this data as geography of the number, not of the caller: porting, VoIP and caller-ID spoofing all detach the two. When a call matters, hang up and call back through an official number.
Prefixes anchored to Towson
| Prefix | Code holder | Pooled |
|---|---|---|
| 410-236 | NEW CINGULAR WIRELESS PCS, LLC - DC | No |
| 410-249 | VERIZON MARYLAND, INC. | Yes |
| 410-252 | VERIZON MARYLAND, INC. | No |
| 410-283 | SPOK, INC. | No |
| 410-296 | VERIZON MARYLAND, INC. | No |
| 410-307 | VERIZON MARYLAND, INC. | Yes |
| 410-308 | VERIZON MARYLAND, INC. | No |
| 410-321 | VERIZON MARYLAND, INC. | No |
| 410-324 | VERIZON MARYLAND, INC. | Yes |
| 410-337 | VERIZON MARYLAND, INC. | No |
| 410-339 | VERIZON MARYLAND, INC. | Yes |
| 410-372 | VERIZON MARYLAND, INC. | Yes |
| 410-373 | SPOK, INC. | No |
| 410-377 | VERIZON MARYLAND, INC. | No |
| 410-408 | SPOK, INC. | No |
| 410-427 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | No |
| 410-434 | SPOK, INC. | No |
| 410-453 | VERIZON MARYLAND, INC. | Yes |
| 410-473 | SPOK, INC. | No |
| 410-475 | SPOK, INC. | No |
| 410-492 | SPOK, INC. | No |
| 410-494 | VERIZON MARYLAND, INC. | No |
| 410-512 | VERIZON MARYLAND, INC. | Yes |
| 410-560 | VERIZON MARYLAND, INC. | Yes |
| 410-561 | VERIZON MARYLAND, INC. | Yes |
| 410-583 | VERIZON MARYLAND, INC. | Yes |
| 410-607 | SPOK, INC. | No |
| 410-616 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | Yes |
| 410-681 | SPOK, INC. | No |
| 410-704 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | No |
| 410-716 | VERIZON MARYLAND, INC. | Yes |
| 410-769 | VERIZON MARYLAND, INC. | Yes |
| 410-790 | NEW CINGULAR WIRELESS PCS, LLC - DC | No |
| 410-806 | SPOK, INC. | No |
| 410-812 | NEW CINGULAR WIRELESS PCS, LLC - DC | No |
| 410-816 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | Yes |
| 410-821 | VERIZON MARYLAND, INC. | No |
| 410-823 | VERIZON MARYLAND, INC. | No |
| 410-825 | VERIZON MARYLAND, INC. | No |
| 410-828 | VERIZON MARYLAND, INC. | No |
| 410-830 | VERIZON MARYLAND, INC. | Yes |
| 410-832 | VERIZON MARYLAND, INC. | Yes |
| 410-839 | SPOK, INC. | No |
| 410-842 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | Yes |
| 410-847 | VERIZON MARYLAND, INC. | Yes |
| 410-851 | VERIZON MARYLAND, INC. | No |
| 410-853 | VERIZON MARYLAND, INC. | Yes |
| 410-887 | VERIZON MARYLAND, INC. | No |
| 410-890 | SPOK, INC. | No |
| 410-894 | SPOK, INC. | No |
| 410-899 | SPOK, INC. | No |
| 410-938 | VERIZON MARYLAND, INC. | Yes |
| 410-967 | NEW CINGULAR WIRELESS PCS, LLC - DC | No |
FAQ
What area code is Towson, MD?
Towson is served by 3 area codes — 410, 443, 667 — which overlay the same territory.
How many prefixes does Towson have?
96 active NXX prefixes are anchored to this rate center in NANPA records, held by 16 carriers.
Is a call from a Towson prefix really from Towson?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.