NumberResearchRecent prefix assignments
355 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 918-344 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TULSA | OK | |
| 918-346 | COMCAST IP PHONE, LLC | 318J | TULSA | OK | |
| 918-347 | PAETEC ITEL, LLC | 829J | SAPULPA | OK | |
| 918-349 | TOTAH COMMUNICATIONS, INC. | 2030 | SOUTHELGIN | OK | |
| 918-350 | T-MOBILE USA, INC. | 6529 | BARTLESVL | OK | |
| 918-351 | METROPCS, INC. | 5562 | MUSKOGEE | OK | |
| 918-352 | SOUTHWESTERN BELL | 9533 | DRUMRIGHT | OK | |
| 918-353 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | JAY | OK | |
| 918-354 | CIMARRON TEL. CO. | 1982 | OSAGE | OK | |
| 918-355 | VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW | 1165 | BROKENARRW | OK | |
| 918-356 | CIMARRON TEL. CO. | 1982 | HALLETT | OK | |
| 918-357 | VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW | 1165 | BROKENARRW | OK | |
| 918-358 | SOUTHWESTERN BELL | 9533 | CLEVELAND | OK | |
| 918-359 | ONVOY, LLC - OK | 409F | TULSA | OK | |
| 918-360 | T-MOBILE USA, INC. | 6529 | MUSKOGEE | OK | |
| 918-361 | T-MOBILE USA, INC. | 6529 | TULSA | OK | |
| 918-362 | ONVOY, LLC - OK | 409F | BROKENARRW | OK | |
| 918-363 | CIMARRON TEL. CO. | 1982 | MANNFORD E | OK | |
| 918-364 | BIXBY TEL. CO., INC. | 1969 | BIXBY | OK | |
| 918-365 | BIXBY TEL. CO., INC. | 1969 | BIXBY | OK | |
| 918-366 | BIXBY TEL. CO., INC. | 1969 | BIXBY | OK | |
| 918-367 | SOUTHWESTERN BELL | 9533 | BRISTOW | OK | |
| 918-368 | CENTRAL OKLAHOMA TELEPHONE CO., L.L.C. | 1977 | KENDRICK | OK | |
| 918-369 | BIXBY TEL. CO., INC. | 1969 | BIXBY | OK | |
| 918-371 | SOUTHWESTERN BELL | 9533 | COLLINSVL | OK | |
| 918-372 | SOUTHWESTERN BELL | 9533 | RIPLEY | OK | |
| 918-373 | UNITED STATES CELLULAR - OK | 6272 | PRYOR | OK | |
| 918-374 | CENTRAL OKLAHOMA TELEPHONE CO., L.L.C. | 1977 | TRYON | OK | |
| 918-375 | CENTRAL OKLAHOMA TELEPHONE CO., L.L.C. | 1977 | AGRA | OK | |
| 918-376 | SOUTHWESTERN BELL | 9533 | OWASSO | OK | |
| 918-377 | CENTRAL OKLAHOMA TELEPHONE CO., L.L.C. | 1977 | DAVENPORT | OK | |
| 918-379 | SOUTHWESTERN BELL | 9533 | CATOOSA | OK | |
| 918-381 | UNITED STATES CELLULAR - OK | 6272 | TULSA | OK | |
| 918-382 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-383 | SOUTHWESTERN BELL | 9533 | NEW HOME | OK | |
| 918-384 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-386 | CONSOLIDATED COMMUNICATIONS OF OKLAHOMA COMPANY | 1981 | CEDARCREST | OK | |
| 918-387 | SOUTHWESTERN BELL | 9533 | YALE | OK | |
| 918-388 | PAETEC ITEL, LLC | 829J | TULSA | OK | |
| 918-389 | CHEROKEE TEL. CO. | 1979 | ARPELAR | OK | |
| 918-390 | NORTHEAST RURAL SERVICES, INC. - OK | 945H | SALINA | OK | |
| 918-391 | CROSS WIRELESS, L.L.C. | 148G | MUSKOGEE | OK | |
| 918-392 | COMCAST IP PHONE, LLC | 318J | TULSA | OK | |
| 918-393 | ONVOY, LLC - OK | 409F | MULDROW | OK | |
| 918-394 | COMCAST IP PHONE, LLC | 318J | BIXBY | OK | |
| 918-395 | CENTURYLINK COMMUNICATIONS, LLC | 508J | YALE | OK | |
| 918-396 | SOUTHWESTERN BELL | 9533 | SKIATOOK | OK | |
| 918-397 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BARTLESVL | OK | |
| 918-398 | ONVOY, LLC - OK | 409F | TULSA | OK | |
| 918-406 | T-MOBILE USA, INC. | 6529 | TULSA | OK |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.