413
Area code
MA
United States geographic area code, in service since 1947-01-01.
Statusin service
Introduced1947-01-01
JurisdictionMA, US
Local dialing7D
Time zoneEastern
Last verified2026-09-17
Utilization 81.6% of assignable prefixes assigned
As of 09/17/2026
0%646 of ~792 assignable NXX values (200–999 excl. N11)100%
Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2001-01-10, most recent 2026-08-31.
Area codes serve rate-center geographies, not municipal boundaries. “MA” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | VERIZON NEW ENGLAND INC. | 180 | 27.9% |
| 02 | PAETEC ITEL, LLC | 141 | 21.8% |
| 03 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 38 | 5.9% |
| 04 | ONVOY, LLC - MA | 37 | 5.7% |
| 05 | OMNIPOINT MIAMI E LICENSE, LLC | 26 | 4% |
| 06 | NEW CINGULAR WIRELESS PCS, LLC - DC | 25 | 3.9% |
| 07 | LEVEL 3 COMMUNICATIONS, LLC - MA | 20 | 3.1% |
| 08 | BANDWIDTH.COM CLEC, LLC - MA | 20 | 3.1% |
| 09 | 18 | 2.8% | |
| 10 | TC SYSTEMS, INC. | 16 | 2.5% |
Important: these are initial assignees from NANPA CO-code records — the carrier a prefix was originally assigned to. Because of number portability, the current serving carrier of any individual number may differ.
Change history
Recorded events for this NPA- 1947-01-01Area code 413 entered service.