NumberResearchRecent prefix assignments
352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
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
New assignments by month
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 781-524 | ONVOY, LLC - MA | 892D | WHITMAN | MA | |
| 781-526 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MEDFORD | MA | |
| 781-527 | TC SYSTEMS, INC. | 7135 | COHASSET | MA | |
| 781-528 | PAETEC ITEL, LLC | 829J | WOBURN | MA | |
| 781-529 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-530 | TC SYSTEMS, INC. | 7135 | WALTHAM | MA | |
| 781-532 | BANDWIDTH.COM CLEC, LLC - MA | 990E | LEXINGTON | MA | |
| 781-533 | VERIZON NEW ENGLAND INC. | 9102 | LEXINGTON | MA | |
| 781-534 | TC SYSTEMS, INC. | 7135 | WEYMOUTH | MA | |
| 781-535 | PAETEC ITEL, LLC | 829J | BRAINTREE | MA | |
| 781-536 | BANDWIDTH.COM CLEC, LLC - MA | 990E | MARSHFIELD | MA | |
| 781-537 | TC SYSTEMS, INC. | 7135 | WOBURN | MA | |
| 781-538 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | LEXINGTON | MA | |
| 781-539 | RCN TELECOM SERVICES, INC. - MA | 7619 | MEDFORD | MA | |
| 781-541 | PAETEC ITEL, LLC | 829J | LEXINGTON | MA | |
| 781-543 | NORFOLK COUNTY INTERNET, INC. | 6083 | WALTHAM | MA | |
| 781-544 | VERIZON NEW ENGLAND INC. | 9102 | SCITUATE | MA | |
| 781-545 | VERIZON NEW ENGLAND INC. | 9102 | SCITUATE | MA | |
| 781-546 | RCN TELECOM SERVICES, INC. - MA | 7619 | SCITUATE | MA | |
| 781-547 | PAETEC ITEL, LLC | 829J | WALTHAM | MA | |
| 781-549 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | REVERE | MA | |
| 781-550 | MA | ||||
| 781-551 | VERIZON NEW ENGLAND INC. | 9102 | NORWOOD | MA | |
| 781-552 | METROPCS, INC. | 5562 | BURLINGTON | MA | |
| 781-553 | BANDWIDTH.COM CLEC, LLC - MA | 990E | LEXINGTON | MA | |
| 781-554 | VERIZON NEW ENGLAND INC. | 9102 | XXXXXXXXXX | MA | |
| 781-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | MA | |
| 781-556 | TC SYSTEMS, INC. | 7135 | HINGHAM | MA | |
| 781-557 | TC SYSTEMS, INC. | 7135 | WAKEFIELD | MA | |
| 781-558 | COMCAST IP PHONE, LLC | 318J | SAUGUS | MA | |
| 781-559 | RCN TELECOM SERVICES, INC. - MA | 7619 | NEEDHAM | MA | |
| 781-560 | TC SYSTEMS, INC. | 7135 | REVERE | MA | |
| 781-562 | COMCAST IP PHONE, LLC | 318J | CANTON | MA | |
| 781-564 | VERIZON NEW ENGLAND INC. | 9102 | BURLINGTON | MA | |
| 781-565 | TC SYSTEMS, INC. | 7135 | BURLINGTON | MA | |
| 781-567 | VERIZON NEW ENGLAND INC. | 9102 | WAKEFIELD | MA | |
| 781-569 | PAETEC ITEL, LLC | 829J | WOBURN | MA | |
| 781-571 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CANTON | MA | |
| 781-572 | RCN TELECOM SERVICES, INC. - MA | 7619 | STONEHAM | MA | |
| 781-573 | PAETEC ITEL, LLC | 829J | STOUGHTON | MA | |
| 781-574 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARLINGTON | MA | |
| 781-575 | VERIZON NEW ENGLAND INC. | 9102 | CANTON | MA | |
| 781-577 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | WALTHAM | MA | |
| 781-578 | NORFOLK COUNTY INTERNET, INC. | 6083 | BRYANTVL | MA | |
| 781-579 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | BRAINTREE | MA | |
| 781-580 | METROPCS, INC. | 5562 | LYNNFIELD | MA | |
| 781-581 | VERIZON NEW ENGLAND INC. | 9102 | LYNN | MA | |
| 781-582 | VERIZON NEW ENGLAND INC. | 9102 | KINGSTON | MA | |
| 781-583 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | ARLINGTON | MA | |
| 781-584 | TC SYSTEMS, INC. | 7135 | LYNN | MA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.