| Prefix | State | OCN | Company | Ratecenter |
|---|---|---|---|---|
| +1 445-200 | PA | 3806 | Core communications, inc. - pa | Quakertown |
| +1 445-222 | PA | 547E | Onvoy, llc - pa | Pennsburg |
| +1 445-300 | PA | 145J | Terra nova telecom inc. | Phldlphzn1 |
| +1 445-333 | PA | 547E | Onvoy, llc - pa | Quakertown |
| +1 445-400 | PA | 597F | Voipstreet, inc. | Phldlphzn2 |
| +1 445-428 | PA | 7434 | Mci worldcom communications, inc. - pa | Phldlphzn2 |
| +1 445-444 | PA | 547E | Onvoy, llc - pa | Phldlphzn1 |
| +1 445-500 | PA | 3806 | Core communications, inc. - pa | Phphsbzn40 |
| +1 445-544 | PA | 624H | Onvoy spectrum, llc | Phldlphzn1 |
| +1 445-600 | PA | 3806 | Core communications, inc. - pa | Phphsbzn39 |
| +1 445-666 | PA | 547E | Onvoy, llc - pa | Green lane |
| +1 445-737 | PA | 7434 | Mci worldcom communications, inc. - pa | Phldlphzn4 |
| +1 445-777 | PA | 547E | Onvoy, llc - pa | Yardley |
| +1 445-800 | PA | 547E | Onvoy, llc - pa | Phldlphzn3 |
| +1 445-888 | PA | 547E | Onvoy, llc - pa | Phldlphzn2 |
| +1 445-900 | PA | 965H | Fractel, llc | Phphsbzn40 |
| +1 445-999 | PA | 547E | Onvoy, llc - pa | Harleysvl |