East Boston, MA — rate center
- State
- Massachusetts
- Active prefixes
- 22
- Carriers
- 11
- Pooled prefixes
- 18
- LATA
- 128
- Metro area
- Boston-Cambridge-Newton, MA-NH MSA
East Boston is a telephone rate center in Massachusetts served by area codes 617, 857. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.
NANPA records show 22 active prefixes here, held by 11 different carriers. Pooling applies to 18 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area. Routing-wise it sits in LATA 128.
Because 617, 857 all serve this territory, two East Boston numbers can look completely different while being neighbors — check the prefix, not just the area code.
As always with US numbering: a prefix anchored to East Boston tells you where the block was issued. The person calling may have ported the number, moved away, or be spoofing it entirely — verify callers through independently found contact details.
Prefixes anchored to East Boston
| Prefix | Code holder | Pooled |
|---|---|---|
| 617-271 | METROPCS, INC. | Yes |
| 617-418 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 617-455 | PAETEC ITEL, LLC | Yes |
| 617-561 | VERIZON NEW ENGLAND INC. | No |
| 617-567 | VERIZON NEW ENGLAND INC. | No |
| 617-568 | VERIZON NEW ENGLAND INC. | No |
| 617-569 | VERIZON NEW ENGLAND INC. | No |
| 617-634 | VERIZON NEW ENGLAND INC. | Yes |
| 617-716 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 617-874 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 617-895 | LEVEL 3 COMMUNICATIONS, LLC - MA | Yes |
| 617-913 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Yes |
| 617-970 | METROPCS, INC. | Yes |
| 617-981 | RCN TELECOM SERVICES, INC. - MA | Yes |
| 617-997 | LEVEL 3 COMMUNICATIONS, LLC - MA | Yes |
FAQ
What area code is East Boston, MA?
East Boston is served by 2 area codes — 617, 857 — which overlay the same territory.
How many prefixes does East Boston have?
22 active NXX prefixes are anchored to this rate center in NANPA records, held by 11 carriers.
Is a call from a East Boston prefix really from East Boston?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.