MIDDLETOWN — DE
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON DELAWARE, INC. | 9210 | 4 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 3 |
| PAETEC ITEL, LLC | 829J | 2 |
| ONVOY, LLC - DE | 969E | 2 |
| BANDWIDTH.COM CLEC, LLC - DE | 073F | 1 |