Local Calling Guide
Area code/prefix search
Smith Island, MD
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 410-425
| A |
SMISMDSIRS0 |
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-425
| 0 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2004-04-03 |
|
| 410-425
| 1 |
|
073H TELNYX LLC |
242 |
|
2017-09-13 |
|
| 410-425
| 2 |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-425
| 3 |
|
876D ONVOY, LLC - MD |
242 |
|
2019-02-26 |
|
| 410-425
| 4 |
|
876D ONVOY, LLC - MD |
242 |
|
2019-02-26 |
|
| 410-425
| 7 |
|
876D ONVOY, LLC - MD |
242 |
|
2017-04-14 |
|
| 410-425
| 9 |
|
145J TERRA NOVA TELECOM INC. |
242 |
|
2024-02-14 |
|
| 667-662
| A |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
|
|
| 667-662
| 0 |
|
073H TELNYX LLC |
242 |
|
2023-05-01 |
|
| 667-662
| 1 |
|
876D ONVOY, LLC - MD |
242 |
|
2020-08-09 |
|
| 667-662
| 2 |
|
876D ONVOY, LLC - MD |
242 |
|
2020-08-09 |
|
| 667-662
| 4 |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-05-27 |
|
| 667-662
| 6 |
|
876D ONVOY, LLC - MD |
242 |
|
2019-12-11 |
|
| 667-662
| 7 |
|
876D ONVOY, LLC - MD |
242 |
|
2019-12-11 |
|
| 667-662
| 9 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2025-07-03 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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