MIDDLETOWN, MD Rate Center
MIDDLETOWN — MD
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | 2 |
| ONVOY, LLC - MD | 876D | 2 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| VERIZON MARYLAND, INC. | 9212 | 1 |