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LEVEL 3 COMMUNICATIONS, LLC - CT
Operating Company Number (OCN): 4800
Is this carrier legit?
Carriers are telecom operating companies that own number blocks (NPA-NXX). A number showing this carrier does not guarantee the caller is that company — scam calls can spoof caller ID.
Ad Unit
Optional ad placement.Number blocks (sample)
| State | NPA | NXX | Rate center | Open |
|---|---|---|---|---|
| CT | 203 | 347 | BYRAM | Prefix |
| CT | 203 | 361 | NEW HAVEN | Prefix |
| CT | 203 | 493 | GEORGETOWN | Prefix |
| CT | 203 | 517 | STAMFORD | Prefix |
| CT | 203 | 528 | WATERBURY | Prefix |
| CT | 203 | 533 | GUILFORD | Prefix |
| CT | 203 | 583 | BRIDGEPORT | Prefix |
| CT | 203 | 590 | TRUMBULL | Prefix |
| CT | 203 | 633 | WOLCOTT | Prefix |
| CT | 203 | 635 | WESTPORT | Prefix |
| CT | 203 | 648 | DANBURY | Prefix |
| CT | 203 | 666 | BRIDGEPORT | Prefix |
| CT | 203 | 687 | NEW HAVEN | Prefix |
| CT | 203 | 763 | FAIRFIELD | Prefix |
| CT | 203 | 883 | STAMFORD | Prefix |
| CT | 203 | 903 | NEW HAVEN | Prefix |
| CT | 203 | 916 | BRIDGEPORT | Prefix |
| CT | 203 | 987 | GREENWICH | Prefix |
| CT | 203 | 989 | STAMFORD | Prefix |
| CT | 203 | 998 | STAMFORD | Prefix |
| CT | 475 | 208 | NORWALK | Prefix |
| CT | 475 | 232 | STAMFORD | Prefix |
| CT | 475 | 288 | NORWALK | Prefix |
| CT | 860 | 237 | NORWICH | Prefix |
| CT | 860 | 248 | CORNWALL | Prefix |
| CT | 860 | 398 | MIDDLETOWN | Prefix |
| CT | 860 | 481 | PUTNAM | Prefix |
| CT | 860 | 591 | JEWETTCITY | Prefix |
| CT | 860 | 661 | OLD SAYBRK | Prefix |
| CT | 860 | 733 | HARWINTON | Prefix |
| CT | 860 | 748 | HARTFORD | Prefix |
| CT | 860 | 865 | NEW LONDON | Prefix |
| CT | 860 | 879 | DEEP RIVER | Prefix |
| CT | 860 | 891 | MOODUS | Prefix |
| CT | 860 | 910 | NEW LONDON | Prefix |
| CT | 860 | 967 | HARTFORD | Prefix |
Showing up to 2,000 blocks (cap for performance).
SEO keywords covered
carrier lookup • operating company number • ocn lookup • who owns this number • npa nxx • rate center
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