Network Regions

The Middle-Mile Broadband Network is broken up into five regions across the state:

Northern Region
Capital Region
Central Valley Region
Los Angeles Region
Southern Region

See the maps below to view which counties each region covers. View the table below to check on network construction progress within each region.

Map of California showing infrastructure construction status in the Northern, Capital, Central Valley, Los Angeles, and Southern regions. Blue lines indicate pre-construction, orange lines show Installation in progress, and green lines mark ready-to-connect sections. — **MMBN Regions: Northern, Capital, Central Valley, Los Angeles, and Southern**

Map of the Northern Region in California showing infrastructure construction status. Blue lines indicate pre-construction, orange lines show Installation in progress, and lavender colored polygons mark FFA awardees planning to connect. — Northern Region Counties: Butte, Colusa, Del Norte, El Dorado, Glenn, Humboldt, Lake, Lassen, Mendocino, Modoc, Nevada, Placer, Plumas, Sacramento, Shasta, Sierra, Siskiyou, Sutter, Tehama, Trinity, Yolo, and Yuba

Northern Region Map Legend Guide:

Blue lines: Pre-Construction
Orange lines: Installation
Outline in black dash box: County Boundary
Lavender color polygon: FFA Awardees Planning to Connect

Map of the Capital Region in California showing infrastructure construction status. Blue lines indicate pre-construction, orange lines show Installation in progress, green lines mark ready-to-connect sections, and lavender colored polygons mark FFA awardees planning to connect. — Capital Region Counties: Alameda, Alpine, Amador, Calaveras, Contra Costa, Marin, Mariposa, Merced, Mono, Napa, San Francisco, San Joaquin, San Mateo, Santa Clara, Solano, Sonoma, Stanislaus, and Tuolumne

Capital Region Map Legend Guide:

Blue lines: Pre-Construction
Orange lines: Installation
Green lines: Ready-to-Connect
Outline in black dash box: County Boundary
Lavender color polygon: FFA Awardees Planning to Connect

Map of the Central Valley Region in California showing infrastructure construction status. Blue lines indicate pre-construction, orange lines show Installation in progress, green lines mark ready-to-connect sections, and lavender colored polygons mark FFA awardees planning to connect. — **Central Valley Region Counties: Fresno, Inyo, Kern, Kings, Madera, Monterey, San Benito, San Luis Obispo, Santa Barbara, Santa Cruz, and Tulare**

Central Valley Region Map Legend Guide:

Blue lines: Pre-Construction
Orange lines: Installation
Green lines: Ready-to-Connect
Outline in black dash box: County Boundary
Lavender color polygon: FFA Awardees Planning to Connect

Map of the Los Angeles Region in California showing infrastructure construction status. Blue lines indicate pre-construction, orange lines show Installation in progress, and lavender colored polygons mark FFA awardees planning to connect. — **Los Angeles Region Counties: Los Angeles, Orange, and Ventura**

Los Angeles Region Map Legend Guide:

Blue lines: Pre-Construction
Orange lines: Installation
Outline in black dash box: County Boundary
Lavender color polygon: FFA Awardees Planning to Connect

Map of the Southern Region in California showing infrastructure construction status. Blue lines indicate pre-construction, orange lines show Installation in progress, green lines mark ready-to-connect sections, and lavender colored polygons mark FFA awardees planning to connect. — **Southern Region Counties: Imperial, Riverside, San Bernardino, and San Diego**

Southern Region Map Legend Guide:

Blue lines: Pre-Construction
Orange lines: Installation
Green lines: Ready-to-Connect
Outline in black dash box: County Boundary
Lavender color polygon: FFA Awardees Planning to Connect

Network Miles by Region

Table Description:

Region: Location of the network.
Pre-Construction Miles: The activities are design, engineering, and permitting.
Installation Miles: In the Installation status, the following activities are performed: Conduit Installation, Vault Placement, Fiber Pulling, Splicing, Hub Placement, Power Connection, and Electronics Installation.
Ready-to-Connect Miles: In the Ready-to-Connect status, the following activities are performed: the network service center is established. Network testing occurs to confirm that segment(s) is operational and secure.
Total Miles: Total network miles for region.

Region	Pre-Construction Miles	Installation Miles*	Ready-to-Connect Miles	Total Miles
Northern	1,164.2	1,493.2	0	2,657.4
Capital	766.4	776.7	175.3	1,718.4
Central Valley	387.1	1,387.9	178.7	1,953.7
Los Angeles	175.7	476.7	0	652.4
Southern	292.2	864.2	69.0	1,225.4
Grand Total Miles	2,785.6	4,998.7	423.0	8,207.3

*Installation miles reflect segments where physical construction is actively underway. In any given month, additional miles may have been recently permitted by partners who have not yet broken ground. Those miles will be reflected here as construction begins.