Local-number carriers in SF (SF)
← all states · area codes: 721 (48)
Top carrier groups in SF
Multiple state-OCNs from the same brand are rolled up here. Bar length is total blocks; red overlay is recent activity in the last 18 months.
Show full table (5 groups)
| Group | Type | OCNs in SF | Blocks | Recent |
|---|---|---|---|---|
| MULTIPLE OCN LISTING | Administrative / Reserved | 1 | 14 | · |
| TelCell NV | International Carrier | 1 | 13 | · |
| UTS | International Carrier | 2 | 10 | · |
| St Maarten Telephone Company | International Carrier | 1 | 9 | · |
| Smitcoms | International Carrier | 1 | 2 | · |
Area codes in SF
Sized by total number blocks indexed in each area code. Click any NPA for its full carrier directory.
All OCNs in SF
| OCN | Company | Group | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|---|
| MULT | Multiple OCN Listing | MULTIPLE OCN LISTING | Administrative / Reserved | 14 | · | ||
| 639G | TelCell NV | TelCell NV | Philipsburg | International Carrier | 13 | · | |
| 636G | Radcom Corporation NV dba UTS | UTS | Philipsburg | International Carrier | 9 | · | |
| 637G | St. Maarten Telephone Company NV | St Maarten Telephone Company | Philipsburg | International Carrier | 9 | · | |
| 638G | St. Maarten International Telecommunications Services dba SMITCOMS | Smitcoms | Philipsburg | International Carrier | 2 | · | |
| 635G | Antelecom NV dba UTS | UTS | Phillipsburg | International Carrier | 1 | · |