City of Los Angeles · Navigation Logic

Reading the Grid

Ground Zero
First Street & Main Street

Every address in the City of Los Angeles counts outward from this one intersection. Numbers climb the farther you get from it.

Freeways

Even numberEast / West
Odd numberNorth / South
EVEN = EAST to lock the freeway rule.

Address Numbers

Even numberSouth / East
Odd numberNorth / West
EVEN = EAST side (and South) — odd flips to North and West.

Address Digit Count

Four digitsNorth / South
Five digitsEast / West
Field rule of thumb — not an absolute.

Roadway Type

AvenueNorth / South
StreetEast / West
AVENUE = UP/DOWN the map; a Street runs across it.
!

City of Los Angeles only. This logic holds inside the City. It breaks down the moment you cross into neighboring cities such as Burbank, Santa Monica, or Beverly Hills — each runs its own numbering.

Reads Tab 1 in full words — no abbreviations.

Everything on Tab 1, traced back to the source.

Verified additions that line up with the field rules — the "why" behind the "what."

1

The origin is real

The grid's zero point sits at First Street and Main Street downtown. Address numbers rise as you move away from it in any direction.

LA street-grid references / PBS SoCal, USC Libraries
2

North / South dividing line

For North versus South addresses, the divider is mostly Beverly Boulevard, shifting to Wilshire Boulevard in some areas.

LA grid discussion, address-numbering breakdown
3

Avenue vs Street is law, not habit

City of Los Angeles standardization ordinances from the 1930s set it: north-south roads take "Avenue," east-west roads take "Street."

LAist street-naming history / LA County Public Works policy
4

Freeway even/odd is federal

The even = east-west, odd = north-south rule is the federal Interstate Highway numbering standard — the same nationwide, not an LA quirk.

Interstate numbering standard / TxDOT, Wikipedia
5

Low numbers, south and west

On the Interstate system, the lowest numbers start in the south and west and climb going north and east — I-5 hugs the west coast, I-10 runs along the south.

Interstate numbering standard
6

The border is the boundary

The whole system is City of Los Angeles only. Cross a city line and the numbering can reset or reverse without warning — trust the map, not the pattern.

Confirmed across LA grid sources

Two axes run the whole City: North–South and East–West. Every clue below points to one of them. Read down the column you need.

The clue North / South East / West
Roadway type Avenue Street
Freeway number Odd3, 5, 405… Even10, 105, 210…
Address digit count rule of thumb Four digits Five digits

Which side of the street — address even / odd

2
Even numbersSouth & East
1
Odd numbersNorth & West
Boulevard

Not on the axis chart on purpose. A Boulevard is a wide major arterial and can run either direction — use the street name, not the suffix, to place it.

City limits

City of Los Angeles only. Cross into Burbank, Santa Monica, or Beverly Hills and the whole chart resets — trust the map.

The arrows point the way the numbers grow. Even pulls down and right — South and East. Odd pulls up and left — North and West.

Verified correct against the City of Los Angeles convention

Even Numbers
East★★★★★ · 5 digits
Street
South★★★★ · 4 digits
Avenue
Odd Numbers
North★★★★ · 4 digits
Avenue
West★★★★★ · 5 digits
Street

Even pulls down and right · odd pulls up and left

Same matrix, empty. Fill each cell, then Check. Correct answers lock green; misses clear so you re-run them until the whole grid is yours.

The clue North / South East / West
Roadway type
Freeway number
Address digit count rule of thumb

Which side of the street — address even / odd

2Even numbers
1Odd numbers
Score 0 / 8
Fill what you can, then Check. Abbreviations are fine — Ave, St, N/W, S/E all count.
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